USDA Forest Service · South Dakota

Reva Gap Campground

USDA Forest Service · South Dakota, United States

Open on the map Drive there Official page Directions
Drinking water
No
Restrooms
Yes
Elevation
3,281 ft
Dark sky
Bortle class 1
Cell coverage
Verizon weak · AT&T good · T-Mobile none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
Access road
31261 (NFSR 31261) · crushed aggregate or gravel · high clearance vehicles
Lake
Custer Gallatin National Forest
Activities
Camping, Hiking, Picnicking

About

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 Reservations: This campground does not use a reservation system, it is managed on a first-come, first-served basis. There is a 14 day stay limit.

Information:
Sioux District Office
Box 37, Main & First
Camp Crook, SD 57724
(605) 797-4432

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January31°14°-20°50°11 of 11
February34°15°-19°63°11 of 11
March43°24°-2°68°11 of 11
April51°30°7°83°11 of 11
May65°44°29°81°1 of 11
June77°56°45°97°0 of 11
July85°62°53°104°0 of 11
August82°61°50°100°0 of 11
September74°54°33°93°0 of 11
October56°38°21°80°5 of 10
November48°30°-1°67°10 of 10
December34°19°-14°58°10 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

Nearby campgrounds

All public campgrounds in South Dakota · Every state and province · Facts read from the operator 2026-02-25. Confirm fees, rules and current status with the operator before you go.