Thunder River
USFS trail 23
The route in 3D
Fly this trail over real terrain
USGS and partner elevation data build the terrain, and the US Forest Service centerline draws the route.
0.2 mi · Typical grade 5 to 8%
About 50 ft between the route's high and low points. An estimate from USGS elevation data, computed 2026-07-11; not measured in the field.
Trail facts
- Length
- 0.2 mi mapped
- Grade
- Typical grade 5 to 8%
- Surface
- native material
- USFS-managed hiker season
- March 15 through November 15
- USFS-managed uses
- Hiking
- Motorized status
- Non-motorized (USFS designation)