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Reva Gap Campground
FSU.S. Forest Service — Montana · Custer Gallatin National Forest
| Agency | FSU.S. Forest Service |
|---|---|
| Area | Custer Gallatin National Forest |
| Location | Montana · Custer Gallatin National Forest · 45.52639, -103.17194 · Map |
| Sites | Not reported — the federal listing names no individual sites for this campground |
| Getting a site | First-come, first-served only — this campground takes no reservations. |
| Hookups | Not reported in the federal data |
| Max RV length | Not reported in the federal data |
| Months open | Not in federal data — the federal listing does not publish a season for this campground. Check the official description below or Recreation.gov. |
| Fees | Not reported — the federal listing carries no fee description for this campground. |
Check availability & book on Recreation.gov →
This site takes no reservations and shows no live availability. Source: Recreation.gov (RIDB export pulled November 5, 2026); this listing was last updated in the federal record on 2026-02-25.
From the official listing
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
Directions, from the listing
From Buffalo, SD take Hwy 20 approximately 20 miles to Forest Road 3126. Turn right and campground will be on your left.
Nearest federal campgrounds
28 mi straight-line · MontanaFSU.S. Forest ServiceWickham Gulch Campground
44 mi straight-line · MontanaFSU.S. Forest ServiceLantis Spring Campground
49 mi straight-line · MontanaFSU.S. Forest ServiceEkalaka Park Campground
68 mi straight-line · MontanaFSU.S. Forest ServiceCook Lake Rec Area
88 mi straight-line · Montana
Trip Card — Reva Gap Campground
Montana · Custer Gallatin National Forest
| Agency | FS · U.S. Forest Service |
|---|---|
| Location | Montana · Custer Gallatin National Forest |
| Fees | Not reported in the federal data |
| Getting a site | First-come only |
| Hookups | Not reported |
| Max RV | Not reported |
| Months open | Not in federal data |
| Sites | Not reported |
Book: recreation.gov/camping/campgrounds/239838 · Source: Recreation.gov, pulled November 5, 2026. Facility details come from federal recreation data and may be out of date — this site takes no reservations and shows no live availability; confirm details and book through Recreation.gov or the managing agency.