First Notch Winter
USFS trail SNO-102
Trail facts
- Length
- 23.1 mi mapped
- Grade
- Typical grade 12 to 20% (USFS trail class TG05)
- Surface
- snow
- Designation
- National trail designation
- National forest
- San Juan 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.