Twelve Mile Flat Campground
Its 16 sites are reservable through Recreation.gov, and camping costs Single Site: $7 - $12 per night. Twelve Mile Flat Campground is a National Forest campground near Mayfield, Utah.
Reservable: Recreation.gov
1 / 612 Mile Flat Campground. Photo: USFS, via Recreation.gov, Public domain (US federal government work)
- Managed by
- National Forest
- Max RV length
- 35 ft
Twelve Mile Flat Campground sits inside Manti-La Sal National Forest. Its dispersed-camping rule, ranger offices, and boundary are on publiclandsdb.com.
Getting a site
- Managed by
- National Forest
- Reservations
- Recreation.gov Book a site
- Fee
- Single Site: $7 - $12 per night
Source: recreation.gov, accessed 2026-09-29
Sites and hookups
- Total sites
- 16
- Group sites
- 2
- Max RV length
- 35 ft
- Site driveways
- Mixed
- ✓ Toilets
- ✓ Fire rings
- ✕ Potable water
On site: Toilets and fire rings. No potable water.
Source: recreation.gov, accessed 2026-09-29
Campsites
16 sites; 3 pull-through; the longest takes a 35 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 | ||||||||
|---|---|---|---|---|---|---|---|---|
| 002 | Main | Standard nonelectric | 30 ft | Back-in | Not on record | No | Yes | Book site 002 |
| 003 | Main | Standard nonelectric | 25 ft | Back-in | Not on record | No | Not on record | Book site 003 |
| 004 | Main | Standard nonelectric | 25 ft | Not on record | Not on record | No | Full | Book site 004 |
| 005 | Main | Standard nonelectric | 35 ft | Pull-through | Not on record | No | Yes | Book site 005 |
| 006 | Main | Standard nonelectric | 20 ft | Back-in | Not on record | No | Not on record | Book site 006 |
| 007 | Main | Standard nonelectric | 30 ft | Back-in | Not on record | No | Yes | Book site 007 |
| 008 | Main | Standard nonelectric | 25 ft | Back-in | Not on record | No | Yes | Book site 008 |
| 009 | Main | Standard nonelectric | Not on record | Back-in | Not on record | No | Yes | Book site 009 |
| 010 | Main | Standard nonelectric | 30 ft | Back-in | Not on record | No | Not on record | Book site 010 |
| 011 | Main | Standard nonelectric | 30 ft | Pull-through | Not on record | No | Yes | Book site 011 |
| 012 | Main | Standard nonelectric | 30 ft | Pull-through | Not on record | No | Yes | Book site 012 |
| 014 | Main | Standard nonelectric | 30 ft | Not on record | Not on record | No | Not on record | Book site 014 |
| 015 | Main | Standard nonelectric | 30 ft | Not on record | Not on record | No | Not on record | Book site 015 |
| 016 | Main | Standard nonelectric | 30 ft | Not on record | Not on record | No | Not on record | Book site 016 |
| G13 | Main | Group standard nonelectric | 35 ft | Not on record | Not on record | No | Not on record | Book site G13 |
| GP1 | Main | Group standard nonelectric | 35 ft | Not on record | Not on record | No | Not on record | Book site GP1 |
Data source: Recreation.gov , accessed 2026-09-29. Site details are Recreation.gov's own per-site listing and can differ from the campground-wide facts above.
Access and cell service
- Elevation
- 10,120 ft
39.1231, -111.4880 in Sanpete. Open in OpenStreetMap. Map © OpenStreetMap contributors.
Common questions
Do you need a reservation at Twelve Mile Flat Campground?
How much does it cost to camp at Twelve Mile Flat Campground?
How many campsites does Twelve Mile Flat Campground have?
Are there pull-through sites at Twelve Mile Flat Campground?
Is there drinking water at Twelve Mile Flat Campground?
Is there cell service at Twelve Mile Flat Campground?
Who manages Twelve Mile Flat Campground?
Around Twelve Mile Flat Campground
The nearest lake with a fishing page is Palisade Reservoir, whose mapped center point is 11 miles away in a straight line. Stocking record and species: Palisade Reservoir fishing on fishypedia.com.
Reservable Ferron Reservoir Campground 
Reservable Willow Lake Campground 
Reservable Twin Lake Campground 
Reservable Manti Community Campground More campgrounds: camping near Mayfield and campgrounds in Sanpete.
Sources
- apps.fs.usda.gov (all fields), accessed 2026-09-28
- recreation.gov (reservationSystem, reservationSystemName, reservationUrl, maxRvLengthFt, drivewayType, sites, campsites), accessed 2026-09-29
- broadbandmap.fcc.gov (cellCoverage), accessed 2026-09-27
Photo credits
- Photo 1: USFS, via Recreation.gov, Public domain (US federal government work)
- Photo 2: USFS, via Recreation.gov, Public domain (US federal government work)
- Photo 3: USFS, via Recreation.gov, Public domain (US federal government work)
- Photo 4: USFS, via Recreation.gov, Public domain (US federal government work)
- Photo 5: USFS, via Recreation.gov, Public domain (US federal government work)
- Photo 6: USFS, via Recreation.gov, Public domain (US federal government work)