Rock Dam
USFS trail J15958
Trail facts
- Length
- 1.3 mi mapped
- Surface
- native material
- Motorized status
- Motorized use designated by the USFS
- Designation
- National trail designation
- National forest
- Helena-Lewis and Clark National Forest
Length is the trail as the Forest Service maps it, not a trip distance. Hike out and back and you will cover it twice; check the shape of the route before you count on the figure.
This record is a snapshot of U.S. Forest Service data retrieved on 2026-07-09. It does not reflect current closures, conditions, or seasonal orders. Check with the local ranger district before you go.