Twelve Mile Flat is a national park campground at Manti-La Sal National Forest in Sanpete County, Utah. Reservations are managed through Recreation.gov. When a booked site here is cancelled it can vanish within minutes, so Campsite Tonight monitors it 24/7 and auto-adds the opening to your Recreation.gov cart before anyone else.
Twelve Mile Flat is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 35 ft. Campers rate it 3.8/5 across 17 reviews.
Other campgrounds at Manti-La Sal National Forest include Indian Creek Guard Station, Ferron Reservoir Campground Ferron North, Ferron Reservoir, Willow Lake and Twin Lake Campground.
Total reservations in June — 2023: 18 · 2024: 14 · 2025: 20
Address
Ferron, Utah
Coordinates
39.1231, -111.4869
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
Manti-La Sal National Forest
Manti-La Sal National Forest
Manti-La Sal National Forest
Manti-La Sal National Forest
Manti-La Sal National Forest
Manti-La Sal National Forest
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