How do I find last-minute availability at Porcupine Flat Campground?

Cancellations happen frequently at Porcupine Flat Campground, especially 1-2 weeks before check-in dates. PermitSnag monitors availability 24/7 and sends instant alerts when sites open up due to cancellations. This is often the best way to snag popular campsites.

How many campsites does Porcupine Flat Campground have?

Porcupine Flat Campground has 56 campsites.

Very Hard to BookNational Park

Porcupine Flat Campground

Yosemite National Park, California

Arrival

Nights

Check campsite availability for Porcupine Flat Campground

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Open in Maps·Rec.gov

In High Demand

Next Open Dates

Aug 24Aug 25

37 sites open on Aug 24 at Porcupine Flat Campground. Check your own dates above, or set a watch and we will alert you when one frees up.

Notices from Recreation.gov

You are responsible for reading the site alerts and booking a site that will accommodate your equipment.

If arriving one or more days late , call (209) 372-4025. Your reservation will be cancelled if we do not hear from you within 24 hours of your arrival date.

Bring proof of your reservation (screen shot or paper version). There is no internet access, cell service or public phone at Porcupine Flat.

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You must sign in at the entrance of the campground or you will be considered a no show and your reservation cancelled.

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Make your site look occupied-- leave a chair or other equipment so we know you've arrived.

Bears and wildlife live here! Food and toiletries must be stored 24 hours/day.

o Food storage lockers are provided in all campsites (45" wide x 18" high x 33" deep)

o Absolutely NO food stored in vehicles

o Dispose of garbage immediately in bear-proof dumpsters.

Porcupine Flat is a primitive campground with vault toilets and no drinking water . A seasonal creek runs through the campground but water must be boiled and/or treated before drinking . Do not rely on creek water being available; bring water!

Check-in and check-out time is 12 noon.

Your camping reservation does NOT get you into Yosemite for free. You must pay an additional fee per vehicle at the park entrance or buy a pass ahead of time on recreation.gov.

There are no electric, water, or sewer hook-ups at this facility; however, a dump station is located in Yosemite Valley.

Resale or auction of advance reservations is prohibited.

For additional park information, call (209) 372-0200 or visit www.nps.gov/yose

Don't Move Firewood: Help protect our forests! Prevent the spread of tree-killing pests by obtaining firewood at or near your destination and burning it on-site. Moving firewood is illegal in some states. Visit dontmovefirewood.org to learn more.

Help Yosemite be a Zero Landfill park! Leave excess packaging at home. Use refillable water & propane bottles, food containers and travel mugs. Place all of your recyclable waste in designated recycling containers. For more information go to: www.nps.gov/yose/getinvolved/

Recreation.gov does not date these notices. We last read them on August 23, 2026. Check Porcupine Flat Campground on Recreation.gov

Stay and booking rules

Changes allowed: 4 change(s) per reservationCampsites held at once: 2 campsite(s) heldMaximum consecutive stay: 14 consecutive nightsMaximum reservations at once: 2 reservationsMaximum per transaction: 2 reservations per transactionBook up to: 14 Days

Published by Recreation.gov for Porcupine Flat Campground, read on August 23, 2026.