Free Camping Collection
Established Camping
Reva Gap Campground
About
National Forest
A campground with 8 sites located in the Slim Buttes Unit near the Castles National Natural Landmark, one of two on the Sioux Ranger District. The campground is within commuting distance to Buffalo, SD. Camp sites: 8 Accessible Facilities: Toilet Trash Pickup: No Firewood: No No…
Access
- Drive-InPark next to your site
Stay Connected
- WiFiUnknown
- VerizonFair
- AT&TUnknown
- T-MobileUnknown
Site Types
- RV Sites
- Standard (Tent/RV)
- Dispersed
- Tent Cabin
- Equestrian
Features
For Campers
- Phone Service
- Reservable
Neat formations
Free camping in Custer Gallatin NF. No water, no trash collection. Many sites are really private with long driveways. Not all had tables and/or fire pits. Only a couple other campers there. Good views of The Castle which is part of Slim Buttes. Bathrooms needed some attention. Lots of…

Quiet and private
This campground is amazing. The geological formations around us are beautiful, and this place is isolated. Granted, I am here on a weeknight, but there are only two other groups camping here. The campsites are spread out so you get tons of privacy.
Unique and beautiful
Yes, it is out of the way which makes it all the more desirable. This is a very private camping area with great access to vault bathroom facilities. Accessible It is an outcropping of rock, buttes and ponderosa forest with spectacular views of distant grazing land. It is quiet, remote and rustic.…
Location
Reva Gap Campground is located in South Dakota
Directions
From Buffalo, SD take Hwy 20 approximately 20 miles to Forest Road 3126. Turn right and campground will be on your left.
Coordinates
45.525929443231085 N
103.1771364521789 W