Flat Rock (idaho) is a 16-site campground in Yellowstone National Park. It accommodates RVs, tents, and trailers, with sites for RVs up to 65 ft. 6 of the 16 sites have hookups. Around 14 sites are shaded. Most sites have a fire pit. Maximum party size is 16. Like most popular Recreation.gov campgrounds, Flat Rock (idaho) books up months ahead, but cancellations open regularly. Campsite Sniper watches every site 24/7 and alerts you the moment one frees up.
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Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
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Flat Rock (idaho)'s 16 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 pinged the instant one opens.
In just the last 7 days, 22 cancellations opened across 17 different dates at Flat Rock (idaho). "Sold out" rarely means sold out.