Vesuvius Main Loop
USFS trail 9
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.
29.6 mi · Typical grade 12 to 20%
About 500 ft between the route's high and low points. An estimate from USGS elevation data, computed 2026-07-10; not measured in the field.
Trail facts
- Length
- 29.6 mi mapped
- Grade
- Typical grade 12 to 20% (USFS trail class TG05)
- Surface
- native material
- Motorized status
- Non-motorized (USFS designation)
- Accessibility
- Not listed by the USFS as accessible
- Designation
- National trail designation