Manti-La Sal National Forest — lakeside, hikingLive availability via Recreation.gov· synced every 30 min
FERRON, UT, UT★ 3.5 (20 reviews)From $7/nightFederal campground · book on Recreation.gov
Twelve Mile Flat Campground is located beneath the shadow of Mt. Baldy near the top of the Wasatch Plateau in an open, wildflower-filled meadow surrounded by spruce and pines.ATV trails are abundant in the area, providing exciting riding for all skill levels. Skyline Drive passes just above the campground.
Best for:HikersWildlife watchersFamiliesSites:TentRV
LIVE · weather + fire + AQI + availability + wildlife
Verified facts
RIDB / Recreation.gov official databaseCheck-in2:00 PM
Check-out12:00 PM
SeasonMay through October
Stay limit14 days
Max RV35 ft
HookupsNo hookups. Suitable for self-contained RVs.
Pull-throughsAvailable
ToiletsVault toilets
PetsAllowed
CampfiresAllowed
Max/site6 people
Amenities
RIDB /facilities /campsites · owner-verifiedEssentials
Fire Rings
Recreation
Picnic Tables
Family & Pets
Vault Toilets
Straight talk
CamperWatch intel · curated from camper reportsKnown issues, each with the workaround. Read before you book.
Known issuesFederal campground — book early. No hookups at most sites. Seasonal operations.
Skip it if:✕ You need RV hookups—none available; only suitable for self-contained RVs.✕ You require water access—vault toilets only, no water.✕ You need cell service—area has no coverage.✕ You prefer sites with distance between neighbors—sites are close together.
Insider tips & when to go
CamperWatch intel · hand-curated entryBook early
this is a federal campground with high demand.
Site 14 is recommended for tents according to camper feedback.
Road has significant washboard conditions; expect a rough final stretch on Forest Development Road 22.
Best: May-October
Official operating season; wildflowers present during peak months.
Things to do nearby
RIDB /activities /recareas + intelConditions today
LiveCell signal
FCC BDC · quarterly datasetT-Mobile
4G · 0%
Verizon
4G · 0%
AT&T
4G · 0%
FCC maps are theoretical — camper reports confirm signal.
Wildlife nearby
iNaturalist · research-grade · 8 kmAlert: Uinta Ground Squirrel, American Beaver, Mountain Bluebird, Townsend's Solitaire, Mountain Chickadee, Ruffed Grouse, and Wandering Garter Snake documented within 8km.
Location
Leaflet · OpenStreetMap tiles
435-384-2372· Manti-La Sal National Forest
Getting there →
Travel east up Twelve Mile Canyon on Forest Development Road 22 for approximately 20 miles, or travel west up Ferron Canyon on Forest Development Road 22 for 31 miles.
Campground entrance
Google Maps APICommunity
#community · posts, photos & Q&A · AI-moderated (Claude Vision)Pro tips
- Book on recreation.gov exactly 6 months ahead at 10am ET — Manti-La Sal National Forest fills fast in peak season.
- Check current road conditions at Manti-La Sal National Forest before arrival — seasonal closures common.
Frequently asked questions
RIDB facts + intel · FAQPage schema, speakableHow much does Twelve Mile Flat cost per night?+
Twelve Mile Flat costs $7–$40 per night. Hookup options: No hookups. Suitable for self-contained RVs.
What season is Twelve Mile Flat open?+
Twelve Mile Flat is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.
Does Twelve Mile Flat have hookups?+
No hookups. Suitable for self-contained RVs.
What is the maximum RV length at Twelve Mile Flat?+
Twelve Mile Flat can accommodate RVs up to 35 feet.
How do I make reservations at Twelve Mile Flat?+
Twelve Mile Flat is a federal campground — book 6 months ahead at Recreation.gov. Set a free CamperWatch cancellation alert to be notified the moment a site opens.
What is the cell service like at Twelve Mile Flat?+
According to FCC coverage maps, cell signal at Twelve Mile Flat is rated none. FCC maps show theoretical coverage — actual signal in remote or heavily forested areas may be weaker.
What season is Twelve Mile Flat open, and what are check-in times?+
Twelve Mile Flat is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.
●Data sources on this page
Recreation.gov — Live site availability — updated every 30 min
recreation.gov · RIDB API
National Weather Service — Live hourly forecast + active alerts
api.weather.gov · open-meteo.com
Google Air Quality API — Live AQI at exact campground coordinates
airquality.googleapis.com
iNaturalist — Research-grade wildlife within 8km
api.inaturalist.org
Google Pollen API — Today’s tree, grass & weed pollen forecast
pollen.googleapis.com
FCC Broadband Map — Verizon, AT&T, T-Mobile 4G/5G coverage data
broadbandmap.fcc.gov · quarterly
Sunrise-Sunset.org — Sunrise, sunset & golden hour for today
api.sunrise-sunset.org
Google Street View — Campground entrance & access road imagery
maps.googleapis.com
RIDB — ADA sites, hookups, toilets, pets, campfire rules, bear boxes, max RV, activities, contact, directions
ridb.recreation.gov · /facilities /campsites /activities /links /recareas
CamperWatch never fabricates data. Where data is unavailable, it is not shown.
$7 /night★ 3.5 (20)
SeasonMay through October
Check-in2:00 PM
Check-out12:00 PM
Dates full? Get an availability alert
FAQ
How much does Twelve Mile Flat cost per night?+
What season is Twelve Mile Flat open?+
Does Twelve Mile Flat have hookups?+
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