Theodore Roosevelt National Park hiking guide
Achenbach Trail
An 18-mile loop with 2,340 ft of climbing in North Unit, rated difficult.

Key facts
- Length
- 18.0 mi (29.0 km)
- Elevation gain
- 2,340 ft (712 m)
- Route type
- Loop
- Difficulty
- Difficult
- Area
- North Unit
- Highest point
- 2,615 ft
- Lowest point
- 1,946 ft
About Achenbach Trail
This challenging backcountry trail offers breathtaking views of the Badlands and the Little Missouri River. Hikers can expect steep climbs, river crossings, and encounters with wildlife like bison. The trail's rugged nature and remote location make it a true wilderness experience.
Route map
This route was checked by Parka editors.
