Adjacent Counties
- Big Horn County, Montana - west
- Rosebud County, Montana - west
- Custer County, Montana - north
- Carter County, Montana - east
- Crook County, Wyoming - southeast
- Campbell County, Wyoming - south
- Sheridan County, Wyoming - southwest
| Custer County | ||||
| Big Horn County and Rosebud County | Carter County | |||
| Powder River County, Montana | ||||
| Sheridan County, Wyoming | Campbell County, Wyoming | Crook County, Wyoming |
Read more about this topic: Powder River County, Montana, Geography