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Onion Valley Campground

Updated November 1, 2026. Based on Recreation.gov and National Park Service records. Published by Humblebee.

Campsites
29[1]
Reservations
Yes[2]
Longest RV or trailer
25 ft[3]

Onion Valley is a campground run by the USDA Forest Service in Inyo National Forest, California[4]. Recreation.gov lists 29 overnight campsites and says the campground can be reserved there[1][2].

What to expect

Recreation.gov lists 12 standard nonelectric sites, 10 tent only nonelectric sites and 7 walk to sites[1]. Tents are accepted at 29 sites, and 10 sites accept an RV or trailer[5]. The longest RV or trailer length allowed at any site is 25 feet[3]. Recreation.gov lists a limit of 6 people at most sites[6]. Check-in is at 2:00 PM and check-out is at 11:00 AM[7][8]. The Recreation.gov description says the sites are primitive, with vault toilets, and campers must use the bear-proof lockers for food[9]. It also says firewood is sold on-site[9].

Campsite details

From Recreation.gov campsite records. Details can change, so check the listing before you book.

Detail Value
Campsites[1] 29
Site types[1] 12 standard nonelectric, 10 tent only nonelectric, 7 walk to
Reservations[2] Yes, on Recreation.gov
Longest RV or trailer[3] 25 ft (median 25 ft)
Equipment[5] RV or trailer at 10 sites, tent at 29 sites
Pets[10] Allowed at all listed sites
Campfires[11] Allowed at all listed sites
Check-in[7] 2:00 PM
Check-out[8] 11:00 AM
People per site[6] 6

Before you go

Questions people ask

Can I reserve Onion Valley campground?
Recreation.gov lists Onion Valley as reservable[2].
What is the longest RV allowed at Onion Valley?
Recreation.gov lists 25 feet as the longest RV or trailer length allowed at any site[3]. Only 10 sites accept an RV or trailer[5].
Are dogs allowed at Onion Valley campground?
Recreation.gov site details list pets as allowed at all 29 campsites with this detail[10].
Are campfires allowed at Onion Valley?
Recreation.gov lists campfires as allowed at all 29 campsites with this detail, and notes that fire restrictions can apply at any time[11].

Facts and sources

  1. Recreation.gov lists 29 overnight campsites at Onion Valley: 12 standard nonelectric, 10 tent only nonelectric, 7 walk to. Recreation.gov (RIDB)
  2. Onion Valley can be reserved on Recreation.gov. Recreation.gov (RIDB)
  3. Longest RV or trailer length allowed at any site at Onion Valley: 25 feet (median across sites with a listed limit: 25 feet). Recreation.gov (RIDB)
  4. Onion Valley is a campground managed by the USDA Forest Service in Inyo National Forest, California. Recreation.gov (RIDB)
  5. Permitted equipment at Onion Valley: 10 sites accept an RV or trailer and 29 accept a tent. Recreation.gov (RIDB)
  6. Maximum people per campsite at Onion Valley: 6 at most sites (range 6 to 6). Recreation.gov (RIDB)
  7. Check-in time at Onion Valley on Recreation.gov: 2:00 PM. Recreation.gov (RIDB)
  8. Check-out time at Onion Valley on Recreation.gov: 11:00 AM. Recreation.gov (RIDB)
  9. Recreation.gov description for Onion Valley. Recreation.gov (RIDB)
  10. Pets allowed per Recreation.gov site details at Onion Valley: yes at all 29 campsites with this detail listed. Recreation.gov (RIDB)
  11. Campfires allowed per Recreation.gov site details at Onion Valley: yes at all 29 campsites with this detail listed. Fire restrictions can apply at any time. Recreation.gov (RIDB)

Site details come from Recreation.gov campsite records. They can lag behind changes on the ground. Fees change by season and site type. Quote only fee facts and say they can change. Description and rules facts are sources for facts only: retell in your own words, never copy 8 or more words in a row. Hookup, pet and campfire counts are per listed campsite record, not a promise for every site.

Campsite data: Recreation Information Database (RIDB), Recreation.gov, licensed under CC BY 4.0. Not endorsed by Recreation.gov or any agency.