Mack - South Branch Loop Trail
USFS trail H57-1
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.
5.1 mi · Typical grade 0 to 5%
About 300 ft between the route's high and low points. An estimate from US government elevation data, computed 2026-07-10; not measured in the field.
Trail facts
- Length
- 5.1 mi mapped
- Grade
- Typical grade 0 to 5%
- Surface
- native material
- Motorized status
- Motorized use designated by the USFS
- Designation
- National trail designation
- National forest