Twelve Mile Flat is a 15-site campground in Fishlake National Forest. It accommodates car camping, camper vans, fifth wheels, and large tents, with sites for RVs up to 55 ft. It is a no-hookup campground. Around 7 sites are shaded. Pets are welcome at some sites and most sites have a fire pit. Maximum party size is 50. Like most popular Recreation.gov campgrounds, Twelve Mile Flat books up months ahead, but cancellations open regularly. Campsite Sniper watches the targets you choose and alerts you when one frees up. We never book, hold, or pay for reservations; you book directly on Recreation.gov.
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Tap any pin on the map to see that campsite's open dates, details, and a booking link.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Twelve Mile Flat. One watch covers every matching site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.
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Twelve Mile Flat's 15 sites book up months ahead on Recreation.gov; most openings come from cancellations. Pick a site on the map to see its 6-month calendar, or set a free Campsite Sniper alert to get notified when one opens. You still complete the reservation yourself on Recreation.gov.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
In just the last 7 days, 13 cancellations opened across 11 different dates at Twelve Mile Flat. "Sold out" rarely means sold out.