Greenough Lake

Greenough Lake is a national park campground at Custer Gallatin National Forest in Carbon County, Montana. Reservations are managed through Recreation.gov. Campsite Tonight watches Custer Gallatin National Forest around the clock and automatically adds an open site to your Recreation.gov cart the moment a cancellation appears — so you just check out.

Greenough Lake 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 60 ft. Campers rate it 4.9/5 across 15 reviews.

Other campgrounds at Custer Gallatin National Forest include Limber Pine, Parkside, Rattin Campground, Sheridan and Basin Montana Campground.