Thunder Basin National Grassland
Dispersed camping is generally allowed
On national forest and grassland, camping outside developed campgrounds is generally permitted unless an area is posted closed or a local order says otherwise. Stay on existing surfaces, camp away from water and trailheads, and check the forest's current orders before you go — fire restrictions change through the season.
Rules change with fire season and local order. Checked 2026-08-05. Confirm on the managing office’s official page
- Area
- 979 sq mi
- Managed by
- Forest Service
- Campgrounds
- None listed
- Longest rig
- Not published
Where the land is, and what fits
The official Forest Service boundary with every campground we hold inside it. Tell it how long your rig is and the map keeps only what takes it — public land rarely matches the shape people picture, and neither does what you can actually get into.
Official unit boundary · USDA Forest Service
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Thunder Basin National Grassland
The Thunder Basin National Grassland is located in northeastern Wyoming in the Powder River Basin between the Big Horn Mountains and the Black Hills. The Grassland ranges in elevation from 3,600 to 5,200 feet, and the climate is semi-arid. The Grassland provides opportunities for recreation, including hiking, sightseeing, hunting, and fishing. There are no developed campgrounds; however, camping is allowed. Land patterns are very complex because of the intermingled federal, state, and private lands.
Extract from Wikipedia, CC BY-SA. Agency description not published.
Byways through this country
Places worth pulling over
Drive to Thunder Basin the long way
Byway plans the road in, not just the destination — real places along the way, weighted to what you like, with nothing invented.