Yosemite National Park regulations, policies and rules links

As a part of preparation for a trip to Yosemite National Park people can consult park webpages for the current rules and regulations.

Can I take my dog on a hiking trail, into a hotel room?

Do wild animals really get into people’s food, even when people are nearby?

Can I ride my bike, fly a kite, park everywhere?

Why can’t I use a drone or fireworks?

Why aren’t slacklines okay on Oak trees?

Why can’t climbers sleep at the base of El Capitan?

What is the season for stream and river fishing?

This webpage is an index to park websites on most subjects that have regulations affecting people’s use of the park.
Many of the park websites have the reasons behind the rules.

Most major Yosemite National Park rules, fines / citations, regulations and policies are listed in the Superintendent’s Compendium


(The 2018 version was put into place May 31, 2018, the 2019 version on June 16, 2019. I noticed only a few changes from 2018 to 2019. The 2020 version on March 26, 2020.)

ANY of it can change as needed with little notice.

This list of samples from the compendium is here to tempt people to read the Superintendent’s Compendium in more detail but it is not all-inclusive, and may leave out items or parts of items that could be important to some park visitors.

And see below for links to other Yosemite National park webpages with more detailed rules than the Superintendent’s Compendium about pets, bikes, permits, campground regulations, fishing, food storage . . .

You will also see signs with rules and safety warnings, such as these at trailheads (the start of a trail):

sign with an image of a dog with a red diagonal stripe through it, and an image of a bike with a diagonal red stripe through it

rockfall warning sign Yose falls trail:

or these reminders to stay on a trail to protect plants:

sign that says give plants a chance

sign that says area closed

or this warning, often ignored, at Bridalveil Fall, (The picture below is from: A Common Yosemite Search and Rescue where it says: “Danger signs are not there to ruin our fun. They are often posted in places with a large accumulation of past accidents.”)

people beyond a rock with a warning sign

child climbing on rock with warning sign about not climbing on the rocks:

Some times of the year there are warning signs about activities you might have expected to be able to do:

sign that says danger river closed to all vessels

And some times of the year, on your drive into Yosemite valley, a sign repeatedly flashing messages:

roadside electronic message board that says no raftingroadside electronic message board that says rover closed!

You can also read and/or download a copy of the current Yosemite Guide newspaper, before you go on your Yosemite vacation, to make better plans for fun and understand the most crucial rules and safety issues the park service wants people to be aware of. (You can expect to be offered a copy of the Yosemite Guide when you enter the park and might find one at the front desk of a Yosemite valley hotel.)

row of rocks carved into brick shapes

When moving into your campsite and or picking up your backpacking permit, you will be offered a short list of most important information worth going over with everyone on your trip.

When you check in to a Yosemite lodge / hotel / tent cabin you might see a sign
sign that says bears are very active

and you might sign a paper including initialing a few sentences saying that you understand, for example:

you can be fined and your car can be towed for improper food storage from NPS video

Animals can climb up to hotel room balconies, so no, you can’t store your ice chest or other food on your balcony.

Some Yosemite accommodations require the use of a bearbox to store food, toiletries etc.

In others you need to be careful that an ice chest does not show to a bear (or . . .) looking in a window. Boxes of crackers, snacks are best stored in a room in a mouse-proof container, again, out of sight.

Likewise, valuables left on a shelf, table, desk in a hotel room / cabin / cottage / vehicle that show through a window are an invitation to a thief.

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

From the Superintendent’s Compendium:

Prohibited: “Willfully approaching, remaining, viewing, or engaging in any activity within 50 yards of bears, or within any distance that disturbs, displaces, or otherwise interferes with the free unimpeded movement of wildlife, or creates or contributes to a potentially hazardous condition or situation.” The park notes that 50 yards is “about the distance four shuttle buses parked end to end would take up.” What to do if you see a bear is at: https://www.nps.gov/yose/planyourvisit/scarebears.htm” Report bear sightings and incidents to the Save-A-Bear hotline (209)372-0322.” (And please note that other national parks you may visit can have different distances to stay away from bears and various other wild animals.)

sign keep wildlife wild: a sign that says keep wildlife wild, our food is not healthy for wildlife, never approach or feed them

One of the reasons feeding animals is not wise:

sign that says plague warning


bear walking along fallen tree
The Yosemite National Park rangers would like you to call them if you see a bear in Yosemite,
no matter where it is or what it is doing,
at 1 (209) 372-0322.

If you can, in all the excitement, try to notice if the bear has a tag (usually on the ear), the color of the tag and if possible, the number on it (the tag is large enough that with a telephoto you should be able to read the number).

bear with ear tag

NPS bear tracks: bearlogo: from the Keep Bears Wild program NPS bear tracks:


“The climbing or attempting to climb any giant sequoia tree (Sequioadendron giganteum) is prohibited.”

Possession of a glass container within 50 feet of any riverbank, lakeshore, on the water, or in a vessel is prohibited. This restriction is necessary for the protection of visitors who frequent these areas in bare feet.”

poster that says unmanned aircraft systems prohibited in Yosemite National ParkModel airplanes, quadcopters, drones are prohibited: “Launching, landing,or operating an unmanned aircraft from or on lands and waters administered by the National Park service within the boundaries of Yosemite National Park is prohibited except as approved in writing by the superintendent.” Reasons why you can’t play with / photograph with your drone are at: https://www.nps.gov/yose/learn/news/use-of-unmanned-aircraft-systems-drones-prohibited-in-yosemite-national-park.htm

“From May 1 through September 30, all wood fires are restricted in Yosemite Valley campgrounds, Housekeeping camp, and picnic areas, to between the hours of 5:00pm to 10:00pm.
From October 1 to April 30, wood fires are allowed anytime.”

“Kite flying is limited to kites measuring less than 1,300 square inches and which are tethered by string or similar material less than 150 feet in length. Ahwahnee Meadow, El Capitan Meadow, Big Meadow, and Tuolumne Meadows are closed to kite flying regardless of size. This restriction is necessary to ensure the safety of low flying aircraft being used in SAR, medical, fire, or other emergency situations.” And please do remember that you should try to do kite flying where you won’t damage wildflowers or where your kite will not get stuck in a tree.

Powerless flight requires a permit from the Superintendent.”

“There is no overnight parking allowed in the Village Store, General Office, Church Bowl or other parking lots as signed.
Visitors with overnight accommodation in lodges or campgrounds may leave their vehicles unattended for the period of their stay as long as permits are displayed.”

All food and food containers must be within 6 feet of an awake person” when food is out on a picnic table or otherwise not properly stored. Read more at campground regulations And there is much more on food storage in the compendium, as well as individual park webpages on food storage in general and food storage while backpacking and climbing. “If your food is stored improperly, you will be cited for improper food storage (fine of up to $5,000). . . ”

“food storage regulations have the force and effect of federal law: Failure to store your food properly may result in impoundment of your food or car and/or a fine of up to $5,000 and/or revocation of your camping permit.”

Curry Village had this warning:
“Guests who don’t comply with our food storage policies may receive a fine up to $5,000.00 and be removed from the Park. Vehicles used for food storage may be impounded.”

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Smoking of cigarettes, cigars, use of e-cigarettes and similar devices are prohibited:

•In all public buildings, including concession buildings

•Within 25 feet of any building, except those used as a single family residence.

(“Concession buildings” includes all hotel rooms, cabins, tent cabins, stores, restaurants, etc.)

Your overnight accommodation may have you initial and sign a statement when you check in that says, in part: “I/we understand Yosemite National Park Lodges are smoke-free environments. A $250 fee will be assessed for smoking in a guest room. Designated outdoor smoking areas are available.”

Some dining venues will have a sign, some will not:

sign that says pizza deck is a smoke free area

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

36 CFR §2.20 –


•The use of roller skates, skateboards, roller skis, coasting vehicles, or similar devices are allowed only in the following areas:

•Yosemite Village Mall

•Bicycle paths in Yosemite Valley . . .

• Campgrounds

sign sliding devices prohibited: a sign that says all sliding devices prohibited at Badger Pass

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

At most trailheads there are nearby restrooms. On some hikes you will find backcountry outhouses (many composting with an upstairs entrance), but if you must dig a hole for your waste:

36 CFR §2.14 –


(b) Conditions for the disposal, containerization, or carryout of human body waste have been established as follows:
•In non-developed areas, solid human waste and service animal waste must be buried at least 6 inches deep in the soil and at least 100 feet from trails, campsites and bodies of water.

•During winter use, snow should be removed and waste buried at least 6 inches deep in soil or waste should be carried out and disposed of in a vault toilet.

Toilet paper and feminine hygiene products must be packed out.

•Solid waste excreted while on any climb in Yosemite National Park must be placed in a small container carried off the climb and disposed of in one of the vault toilets provided by the NPS

Some other National Parks have other depths / distances, so again, anything at this webpage could change with little notice, and readers of this website should follow through to the official park webpages and read materials they are given when they get a wilderness permit.

Read more wilderness regulations, including permits info and no-camping zones, at: https://www.nps.gov/yose/planyourvisit/wildregs.htm

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

PS. 36 CFR §2.15 –


1) The following structures and/or areas are closed to the possession of pets:

All trails.

•Non-developed and designated Wilderness areas.

•Specific areas as posted by signs.

•O’Shaughnessy Dam

•Camp 4 and backpackers’ campgrounds

•When snow depth is sufficient for skiing, pets are not permitted on unplowed roads

The following structures and/or areas are open to the possession of pets:
. . . When leashed, on fully paved roads, paved sidewalks, and bicycle pathways. . .

“Individuals leaving pets unattended or in violation of California Penal Code 597.7(a) are subject to immediate impoundment of their property/pet.”

Not every rule is in the compendium. Read more about pets at: https://www.nps.gov/yose/planyourvisit/pets.htm, which includes ” pets must be restrained on a leash not more than six feet long or otherwise physically restrained”

You can find wild animals anywhere in the park and do not want your dog to personally meet one of them, such as this bobcat on a path at a Yosemite hotel:

bobcat walking on a pathway

or this coyote walking just outside the fence at a Yosemite swimming pool:

coyote behind fence railings

or even more fun, picture your off leash dog wanting to greet a skunk, such as this one on the grounds of a Yosemite hotel (photo courtesy of Harold (Harry) Bradbury):

skunk photo courtesy of Harold ( Harry) Bradbury

Take the leash off your dog for just a moment and your dog might need a technical rescue, in this case the rescue lasted until after sunset as sleet and rain fell:

lights and ropes

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

sign wildilfe crossing

36 CFR §4.21 –

SPEED LIMITS (which are all subject to temporary or permanent change, please watch for signage).

“The following speed limits are established for the routes/roads indicated:

•The maximum speed on park roads is 35 mph unless posted otherwise.

•When and where chain controls are in effect, the maximum speed is 25 miles per hour.

•The speed limit approaching and leaving all entrance station areas is 20 miles per hour.

•When the Yosemite Valley special use lane is in effect, the maximum speed is 25 miles per hour on Southside Drive from El Capitan Cross over to Sentinel Cross over when posted.”

and you will find signage at times to remind you to be a courteous driver, as these at free shuttle bus stop number six reminding people to not park in the shuttle bus stop or use the shuttle bus stop to attempt a U Turn. This backed up traffic is quite usual along this entire stretch of road in the afternoon (especially in the summer) when many people are attempting to leave the park at the same time.

cars lined up at bus stop

Yosemite driving regulations from 1913 included:

“Time and speed restrictions: Automobiles are restricted to an approximate speed of 10 miles per hour on rolling mountain country . . .”

“Cars may leave Yosemite Station going out of the valley between the hours of 6 and 7.30 a. m. every morning, but at no other time during the day.”

“Every person presenting a car for admission to the park will be required to satisfy the guard issuing the ticket of passage that the brakes of his automobile are in first-class working order and for this purpose all automobilists will be required to effectually block and skid the rear wheels of their automobiles with either the foot or hand brakes or such other brakes as may be a part of the equipment of the machine.”

“All motor cycles are forbidden to enter the park.”

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Other park webpages with more detailed rules than the Superintendent’s Compendium include:

sign with an image of a bike with a diagonal red slash though it and the words No Bicycles On Trails

Bicycles: “Each season, plants are crushed from bicycle travel in meadows, campgrounds, and picnic areas. Please respect park resources and keep bicycles on paved roads and paved trails.

sign that says bicycles permitted only on paved bikeway and roads

They are not allowed to travel off-trail, on unpaved trails, or in wilderness areas. Mountain biking opportunities are available in designated areas outside of Yosemite. Bicyclists under 18 years of age must wear a properly fitted bicycle helmet.” https://www.nps.gov/yose/planyourvisit/safety.htm

sign no bikes on lower Yose fall trail: Please walk your bike on the lower Yosemite Falls path/trail, even though it is paved.

sign that says bicyclists stop, rented bikes not permitted on steep hill ahead, park here and walk to mirror lake


Campground regulations, including Food Storage, Seasonal limits on Campfires, Firewood collection, Camping Outside of Campgrounds and Sleeping in Vehicles, Maximum number of people per Campsite, Maximum number of vehicles per Campsite, Seasonal limits on number of nights camping, Campgrounds that pets are or are not allowed in, Quiet Hours and Generator Hours, Wastewater disposal, hooking (or not) to Utilities, campground Checkin/Checkout Time and Slacklines, Hammocks, Clotheslines, etc.: https://www.nps.gov/yose/planyourvisit/campregs.htm

In the campgrounds you must pitch your tent IN your registered campsite, not down by the river at a nice small beach:

tent by river

If you decide to pitch your tent “out of bounds” you might be lucky and find the violation notice (in this case from the campground host who patrols the campground) on your tent (or in this case, on a portable charcoal grill)

paper in charcoal grill

OR you might not be that lucky and could find yourself trying to track down your confiscated tent and gear.

Pitch your tent away from a campground and you can expect a visit from a Ranger:

park service vehicle and tent by river bank

Camping “out-of-bounds” in 1951:

tents in area that has a sign "no camping"


a strip of Yosemite granite

Read about climbing regulations, the reasons behind them and practical advice on how to follow the rules, including fixed ropes, permits and sleeping on big walls, food storage, trash and human waste while climbing, bouldering, slacklining, and bolting ethics at: https://www.nps.gov/yose/planyourvisit/climbing_regulations.htm

and see also permits and logistics of sleeping on Big Walls at: http://www.climbingyosemite.com/services/regulations/

There is fascinating reading on how Yosemite climbers can avoid injuries / stay alive, by Search and Rescue (SAR) Ranger John Dill, (including sections on environmental dangers, descents, big wall bivouacs, unplanned bivouacs, loose rock, climbing unroped, leading, falling, learning to lead, the belay chain, helmets, states of mind, rescues, and risks, responsibility and the limits of climbing), at: https://www.friendsofyosar.org/climbing

a strip of Yosemite granite

“80 percent of entrance fees stay in the park and are devoted to spending that supports the visitor.” The https://www.nps.gov/yose/planyourvisit/fees.htm park entrance fee which addresses “many important maintenance and infrastructure needs,” covers your entrance into the park for your choice of payment for a length of time and size / type of vehicle, free parking at the various day use parking lots, use of trails / visitor centers, Ranger programs, walks, talks (but not fee based programs by park concessionaires, see lists of dates/times of each in the park newspaper).

Your park entrance fee does not cover the cost of your campsite or overnight accommodation.

See also information about annual passes to all National Parks (or just to Yosemite), passes for seniors, free passes for military, free access (permanent disabilities) passes, some of which “may provide a 50 percent discount on some amenity fees charged for facilities and services such as camping, swimming, boat launch, and specialized interpretive services.”

Fishing regulations are at: https://www.nps.gov/yose/planyourvisit/fishing.htm

Read all about Half Dome permits at: https://www.nps.gov/yose/planyourvisit/hdpermits.htm

Rules for use of Other Power Driven Mobility Devices (OPDMDs)
including maximum speed, where they can and can’t be ridden, minimum age of users, and more



road with sign that says prohibited ahead vehicles pulling trailers, vehicles 30 ft or longer. TURN AROUND NOW

The most current restrictions that affect some RVs and all trailers and tips for towing a trailer over Tioga Pass are at: https://www.nps.gov/yose/planyourvisit/restrictions.htm

The reason you should not ignore a sign saying you can’t turn your large RV in a specific direction on a given road, is that it will pull out into oncoming traffic because the roadway is too narrow and has a curve right in front of you.

sign that says no right turn for vehicles over 28 feet in lenght

Weddings https://www.nps.gov/yose/planyourvisit/weddings.htm
And no, you can’t photograph the wedding using a drone “the use of drones is prohibited while visiting the park and should not be utilized at any time. ”

Wilderness permits at: https://www.nps.gov/yose/planyourvisit/wildpermits.htm

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

It is ILLEGAL TO JUMP OR DIVE OFF BRIDGES in Yosemite National Park.

diving or jumping from bridge prohibited:

Yes, there is an actual Yosemite regulation: “Jumping or diving from any bridge is prohibited… This activity has resulted in severe injuries to persons who have jumped from bridges into shallow water. Also, people jumping from bridges cause increased water turbidity and shock waves, both of which have a detrimental effect on fish and other components of aquatic ecosystems.”)

Another reason to discourage your group from jumping is that they are role models for others. They might be good enough at jumping to not slip or accidentally lean backwards and hit their tailbone or the back of their head on the bridge as they jump, but a child who sees them and tries it might not be. And if one of the group is not sure about it and is being pushed (literally or not) to jump, they might start to jump and their brain will re-consider/panic and they might hesitate in mid-jump, not jump out and away from the bridge, again causing them to impact part of their body on the bridge.

Parents have been cited and paid fines for encouraging their under-age children to illegally jump off bridges.

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Yosemite sign that says fireworks prohibitedNo fireworks of any kind are allowed in Yosemite National Park. Fireworks disturb wildlife and greatly increase the risk of wildfire.”

From an NPS news report: “According to the National Fire Protection Association, fireworks start an average of 18,500 fires per year and result in an average of $43 million in direct property damage. A random spark can quickly escalate into a wildfire, especially under dry, windy conditions.”

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Code of Federal Regulation Title 49, section 393.90 includes the rule enforced on Yosemite Valley free shuttle buses that passengers must the stand behind the yellow line (see photos below).

Also of interest could be these bus rules, logistics and courtesies

– – – Most drivers prefer you wait until everyone has finished getting off before you get on, the same as any transit system in the rest of the world.

Everyone should enter the bus at the front door.
No one should get on at the back EXIT ONLY doors unless the driver says it is okay.

two doors that say exit only

Because the lines can get a bit long, and some people try to crowd on before others who have been waiting longer, you might find ropes and stanchions as an organizer for the line, with signs for which end to enter the lines and which end will get on the bus first.

stanchions and ropes

– – – Most drivers prefer you exit from the back, but will sometimes tell passengers they can exit any door. OR, if you ask politely, the bus driver might let you and your huge backpack / stroller exit from the front where you got on instead of going all the way to the rear exit, but be sure to ask before the last moment.

– – – Please take the baby out of the stroller and fold up the stroller.

– – -You can wear your ginormous backpack or put it in your lap, but it shouldn’t have a seat for itself if the bus is crowded.

– – – No inflated rafts, tubes, etc. are allowed, but are okay DE-inflated if they fit on your lap. (An inflated raft is too big to fit down the aisle and it’s wet, sandy and or dirty and gets others on the bus dirty. Either sew a large drawstring bag or buy a duffle bag or large backpack big enough to fit each fully deflated raft/your lifejackets in. It won’t be much bigger than a big backpack that others might be carrying on the bus. See Yosemite Valley rafting advice.)

– – – You can’t stand next to the driver. Everyone standing in the aisle must be behind the yellow line near the front of the bus:

yellow line on bus floor

You can stand off-side of the main isle at the back step, but just not in the area where the back doors open/close, yellow in the picture below:

yellow painted section of bus floor

– – – Keep children under control. Running or horseplay on the bus, including standing on the seats, can be dangerous.

– – – All the free Yosemite shuttle buses are accessible with wheelchair lifts and tie‐downs. Maximum size for wheelchairs on shuttle buses and tour buses is 24 inches wide x 46 inches long with a weight limit on tour buses of 750 pounds. Bus drivers will help passengers on and off buses or notify them of stops. If you need assistance, ask the bus driver.

– – – Any time usage is high, especially on a summer afternoon, standees need to move to the back to let more people on. (No, not contorting your body to fit as crowded in as in parts of China where people are reportedly literally face to face.)

shuttle bus standees:

– – – As you know from other transit systems, conversations, both in person, over the phone (if you can get reception) and whatever it is you are listening to on headphones should be at a low volume for everyone’s sanity.

– – – If, for example, someone uses a seat for their day pack on a crowded afternoon, or is yelling into their cell phone, there is no good reason to confront them. You are in a tight space. Let the bus driver deal with rude or obnoxious passengers. Hey, you are on vacation, and the ride will be short.

sign that says no pets allowed on Yosemite buses

– – – no dogs (or any pets) are allowed on the shuttle buses (or on trails).

Yosemite valley free shuttle bus describes the main year-round route of the free shuttle bus, and has maps of the areas at the bus stops, a list of stops and what you can find at each, hints to save time using the shuttle bus, best bus stops for and/or links to the following Yosemite Valley activities: art classes, bike rentals, bike paths, campsite availability, grocery store, hikes and their trailheads (start of the trail), horseback riding, ice skating, free and fee internet access, laundromat, lost and found, photo walk, rafting, Ranger talks/walks/evening programs, restaurants & cafeterias / pizzerias / grill / deli, rock climbing lessons, places to get a shower, ski / snowboard / snow shoe walk, picnic, stargazing, swimming, waterfalls. There are also links to local weather and air quality reports AND notes about the best bus stops for overnight accommodations, day use parking.

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Drivers should note that there are sections of road in Yosemite Valley with two lanes (usually) in the same direction, with the right lane ONLY for the free shuttle buses, ambulances, ski bus, commercial vehicles with ten or more passengers. The NPS says: “The bus lane ensures emergency vehicles can respond to incidents when traffic is backed up and provides preference for mass transit.”

Parking and traffic jams in Yosemite valley tips and tricks has the above advice, with maps of each of the three major day-use parking lots, with advice to help you NOT get a Yosemite National Park traffic or parking ticket, and not contribute to preventable traffic backups. And some details of where you can’t park in Yosemite, or can’t park without a permit.

sign that says camp 4 parking permit required 24 hours

row of rocks carved into brick shapes

How much will I have to pay for my ticket?

Will I have to go to court?

For some, a mandatory appearance in court may be required at the discretion of the citing officer and if the person does not appear, a judge “may issue a warrant of arrest for that person.”

For other citations / tickets issued in National Parks, people can pay without coming to court,

subject to change, but by way of examples, (as of 2020, last revised 03/01/2010):

While camping, creating unreasonable noise between hours of 10:00 PM and 6:00 AM: $150 or mandatory appearance in court

Exceeding Speed Limits

1 – 15 mph $100

16-25 mph $180

26 or over $350

Operating a motor vehicle in a manner which unnecessarily causes its tires to squeal, skid or break free of the road surface: $150


From the Yosemite webpage: “Failure to store your food properly may result in impoundment of your food or car and/or a fine of up to $5,000 and/or revocation of your camping permit.”

and from an inter-agency report:

“The following restrictions exist year-round on federal public lands:
• Operating a chainsaw is prohibited in national parks. Operating a chainsaw on national forest lands is permitted only when equipped with a USDA or SAE approved spark arrester that is properly installed and in effective working order. Operators must also carry a chemical pressurized fire extinguisher with a minimum rating of 2A and one round point shovel with an overall length of at least 36 inches.
• Discharge of fireworks and use of explosives requiring blasting caps are prohibited.

Violation of these prohibitions is punishable by a fine of up to $5,000 for an individual or $10,000 for an organization, and/or by imprisonment for more than six months.”

When Yosemite trail crews have closed a trail, (including sometimes overnight, but often not on weekends) “there is a $280 fine for entering a closed construction zone.” The trail use might not be safe or they might even be performing blasting operations, so don’t ignore trail closure signs / notices, or go through closed gates.

park Ranger talks to a driver

Top reasons not to speed in a National Park

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

sign says: Removing or possessing natural or cultural resources (such as wild-flowers, antlers, rocks, and arrowheads) is strictly prohibited.

The park service says:

“Visitors to Yosemite National Park are the park’s most important guardians. With Yosemite’s nearly four million people watching over its special plants, animals, historic, and archeological sites, imagine how well-protected these park resources could be!
During your visit to Yosemite, be aware that there are people who either intentionally or unknowingly harm park resources. Please contact a park official if you see any of the following illegal acts:

feeding or approaching wildlife

hunting animals

collecting reptiles and butterflies

collecting plants (including pine cones)

picking up archeological or historic items such as arrowheads

possession of metal detectors or using them to locate and collect historic objects

driving vehicles into sensitive meadows and off roadways

camping outside of designated campgrounds

using weapons

possessing or using marijuana, including medical marijuana

If you see activities that could harm people or park resources, jot down any descriptions or a vehicle license plate number and contact the park dispatch office at 209/379-1992; if someone’s life is in danger, call 911.”

row of rocks carved into brick shapes

Also perhaps of interest:

“Choosing to leave the trail and scramble in boulders below waterfalls can have a costly outcome. Is getting closer really worth the risk?”


People climb over barriers meant to protect them and as a result slide over waterfalls in Yosemite. They ignore warning signs.warning above Vernal Fall: fatal, near fatal or close call incidents/accidents in camping, backpacking, climbing and mountaineering

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

stacks of rocks crossed out with red Xs on the photo and the words Visitors like to be in nature. Rock graffiti is not natural.
hundreds of rocks stacked along a trail
Rock graffiti (building cairns, stacking stones) is not natural. It is not worse than carving your initials in a tree, or scratching your name on sandstone, but it is still graffiti and vandalism.

Zion National park notes: “Rock stacking in national parks may seem harmless, or even fun to make, but we invite you to reconsider the problem they pose from a broader perspective. On the one hand, hiking in nature should provide an escape and a refuge from the everyday mundane life. That refuge, ideally, should be in an unadulterated natural setting (or minimally so). Rock graffiti, even if seemingly impermanent, disturbs the natural state of the environment for other visitors, and have a permanent ecological impact. Also, be aware that it is considered by the National Park Service as a form of vandalism and it is illegal…”

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
And from other National parks:
Backpacking / hiking in Glacier National Park in the northern part of Montana?
Crossing the border during a hike / backpack into Canada without following special procedures can result in a $5,000.00 fine.

Stay on boardwalks and designated trails. Do not touch any thermal features and keep foreign objects out of springs. It can be windy so cinch your hats and secure your items.

Yellowstone and Grand Teton:
All watercraft must be permitted and inspected.

Share the road. Cyclists must ride single file. Drivers should pass no closer than three feet (1.0 m) to bicycles and roadside pedestrians.

row of buses depicting distance to stay away from animals

fog over colors blue and green in a narrow photo strip

The use of cell phones for photography (with or without a selfie stick) has made preventable injury or even death by selfie common. They were only taking a selfie

NPS photo short haul rescue: National Park Service photo of a short haul rescue showing helicopter, litter and rescuer from belowYou can’t always expect a helicopter rescue


Hotel, cabin and tent cabin choices in Yosemite valley are at: Yosemite Valley accommodations

Restaurants, cafeterias, coffee bars, pizza, grocery stores are at: Yosemite valley restaurants, coffee bars, cafeterias, food service and groceries

Curry Village (briefly named Half Dome Village) tent cabins tips and tricks

swimming in Yosemite including thunderstorms, bacteria in the water, safety issues, favorite beaches, swimming pools with lifeguards.

Why you should wear a lifejacket.

rafting in Yosemite Valley

Parking difficulties and somewhat preventable traffic jams in Yosemite

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Where were they when they got that great picture in Yosemite?

Where can I take a photo that looks like the one on a Yosemite postcard I just bought?
Places to take photos of Half Dome, Bridalveil Fall, El Capitan, Yosemite Falls and Staircase Falls.

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

The Yosemite Guide newspaper, https://www.nps.gov/yose/planyourvisit/guide.htm which you will be offered a copy of as you pay at an entrance station to enter the park, (or you can read, download or print in advance) has hours of operation for visitor centers, museums, tours, stores, food service, post office, laundromat, showers, auto service, gas stations, and a calendar of park activities including Ranger walks.

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Cell phone service is not available all over Yosemite valley, but is usually okay in the vicinity of the main visitor center. In June, 2017 and February / June, 2018, April 2019 we got 4 bars for Verizon and 3 bars for AT&T near the main visitor center, versus 2 bars for each at the Ahwahnee and 2 bars Verizon, 1 bar AT&T in Upper Pines campground, at the Yosemite Valley Lodge and Curry Village (briefly named Half Dome Village). The park service said: “Cell phone coverage in Yosemite is spotty . . . Cell service is often impacted during daily peak visitation by the large number of people trying to access limited service; if you have four bars of service, but you can’t get a signal, this is why . . . cell coverage depends on your phone, the cloud cover and other seemingly mysterious factors and is not always reliable. ”

stones forming a wall