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Back to topUSFS trail 9370.1A
The route in 3D
USGS and partner elevation data build the terrain, and the US Forest Service centerline draws the route.
0.2 mi · Typical grade 12 to 20%
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.
Estimates, derived from USGS elevation data sampled along the USFS-mapped route, computed 2026-07-10. We have not measured these figures in the field.
Listed on Recreation.gov and matched to this trail by name and location, retrieved 2026-07-10. We have not visited or verified these access points.
Lake Irwin
Campground · Under a mile away straight-line
Set your ZIP or use your location for drive times to these access points.
Maroon Lake Scenic Loop is about 14 miles away straight-line. We hike it, verify conditions, and keep a full guide for it.
Read the full guideA day here means a typical grade of 12 to 20%. Tell the Trip Builder where you are headed and it assembles a day-specific kit with weather, daylight, and terrain in mind.
Build your kitData: U.S. Forest Service, retrieved 2026-07-09.