Obsidian Flat
Its 1 site is reservable through Recreation.gov, camping costs Standard nonelectric: $20 per night, and it is open from 06-15 to 09-30. Obsidian Flat is a National Forest campground near Mono, California.
Reservable: Recreation.gov
- National Forest
- Managed by
- None
- Hookups
- 40 ft
- Max RV length
Getting a site
- Managed by
- National Forest
- Reservations
- Recreation.gov Book a site
- Fee
- Standard nonelectric: $20 per night
Source: recreation.gov, accessed 2026-09-30
Sites and hookups
- Total sites
- 1
- Group sites
- 1
- Hookups
- None
- Max RV length
- 40 ft
- Site driveways
- Back-in
- ✓ Toilets
- ✓ Fire rings
On site: Toilets and fire rings.
Source: recreation.gov, accessed 2026-09-30
Campsites
1 site; the longest takes a 40 ft vehicle. Every site below links to its own page on Recreation.gov, where it is booked. Official site list and booking on recreation.gov.
| Book | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1 | OBSI | Group standard nonelectric | 40 ft | Back-in | Not on record | No | Not on record | Book site 1 |
Data source: Recreation.gov , accessed 2026-09-30. Site details are Recreation.gov's own per-site listing and can differ from the campground-wide facts above.
Access and cell service
- Elevation
- 7,872 ft
37.7333, -119.0167 in Mono. Open in OpenStreetMap. Map © OpenStreetMap contributors.
Season and winter services
Obsidian Flat is open from 06-15 to 09-30 , at 7,872 ft.
Sources: recreation.gov, accessed 2026-09-30; epqs.nationalmap.gov, accessed 2026-10-01
Common questions
Do you need a reservation at Obsidian Flat?
Sites at Obsidian Flat are reserved through Recreation.gov (https://www.recreation.gov/camping/campgrounds/231955).
How much does it cost to camp at Obsidian Flat?
Camping at Obsidian Flat costs Standard nonelectric: $20 per night.
How many campsites does Obsidian Flat have?
Obsidian Flat has 1 campsite, including 1 group site.
Does Obsidian Flat have RV hookups?
No. Obsidian Flat has no hookups. The longest rig allowed is 40 feet.
Are there pull-through sites at Obsidian Flat?
Recreation.gov lists no pull-through sites at Obsidian Flat; 1 site with a stated driveway is back-in or parallel.
When is Obsidian Flat open?
Obsidian Flat is open from 06-15 to 09-30.
Who manages Obsidian Flat?
Obsidian Flat is managed by the U.S. Forest Service.
Around Obsidian Flat
Hot springs and waterfalls nearby
Nearest to Obsidian Flat, in straight-line miles: Rainbow Falls (waterfall, 9.8 miles), Hot Creek (hot spring, 11 miles), Wild Willy's Hot Springs (hot spring, 13 miles), Mono Hot Springs (hot spring, 28 miles), and Nevada Fall (waterfall, 28 miles). Each has its own page on swimholesmap.com.
- Sites
- Not on record
- Season
- Not on record
- Fee
- Overnight Use:
- Sites
- Not on record
- Season
- Not on record
- Fee
- Free
- Sites
- Not on record
- Season
- Not on record
- Fee
- Free
- Sites
- Not on record
- Season
- Not on record
- Fee
- Free
More campgrounds: camping near Mono and campgrounds in Mono.
Sources
- recreation.gov (name, coordinates, manager, reservationSystem, reservationSystemName, reservationUrl, maxRvLengthFt, drivewayType, sites, campsites, hookups, toilets, fireRings, fee, season.open, season.close), accessed 2026-09-30
- epqs.nationalmap.gov (elevationFt), accessed 2026-10-01