USDA Forest Service · South Dakota
Reva Gap Campground
USDA Forest Service · South Dakota, United States
- 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
Season dates aren't confirmed for this campground yet - opening and closing dates haven't been verified. Check the operator's page or call ahead before you plan a trip.
Site map
The imagery of the campground. Press and hold the map to drop your own pins and notes; the operator publishes no site points here. Your ratings, notes, pins and photos are kept with the campground on your Saved list, the same list the camping map and the drive page keep.
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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
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 31° | 14° | -20° | 50° | 11 of 11 |
| February | 34° | 15° | -19° | 63° | 11 of 11 |
| March | 43° | 24° | -2° | 68° | 11 of 11 |
| April | 51° | 30° | 7° | 83° | 11 of 11 |
| May | 65° | 44° | 29° | 81° | 1 of 11 |
| June | 77° | 56° | 45° | 97° | 0 of 11 |
| July | 85° | 62° | 53° | 104° | 0 of 11 |
| August | 82° | 61° | 50° | 100° | 0 of 11 |
| September | 74° | 54° | 33° | 93° | 0 of 11 |
| October | 56° | 38° | 21° | 80° | 5 of 10 |
| November | 48° | 30° | -1° | 67° | 10 of 10 |
| December | 34° | 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.
Trails nearby
All 817 trails in Custer Gallatin National Forest
Trailheads the Park Service and the Forest Service map; each trail's page has its length, climbing and the Service's description.
Nearby campgrounds
- Picnic Spring Campground · USDA Forest Service · 28 mi
- Bowman-Haley Dam Campground · City, County & Regional Parks · 32 mi
- Wickham Gulch Campground · USDA Forest Service · 44 mi
- Butte View Campground · City, County & Regional Parks · 46 mi · 74 sites
- Hugh Glass Lakeside Use Area · South Dakota State Parks · 47 mi
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.