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Foss Mountain Trail route map
Difficulty: ModeratePoint to Point

Foss Mountain Trail

Lost River Ranger District, Idaho

2.4 mi

Distance

1,814 ft

Elev. Gain

1h 17m

Est. Time

Point to Point

Route Type

Moderate

Difficulty

About This Trail

Foss Mountain Trail is a point-to-point trail in Challis National Forest, managed by the United States Forest Service, in Butte County, Idaho. It is 2.4 miles long and gains 1,814 feet. The surface is dirt.

From the trail data on this page. For conditions and closures, see official sources.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

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Elevation Profile

Min:2,232 ft
Max:2,792 ft
Gain:560 ft
Loss:17 ft
Elevation profileA line rising and falling between 2,232 ft and 2,792 ft across 2.4 mi along the route, drawn from start to end.2,232 ft2,419 ft2,605 ft2,792 ft0.0 mi0.6 mi1.2 mi1.8 mi2.4 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi2,232 ft
High point2.3 mi2,792 ft
End2.4 mi2,776 ft

Trail Details

Route Type
Point to Point
Surface
Dirt

Official sources & verification

Managed by United States Forest Service

Verify before you go

Source of truth

Managing agency

Where it is

County:
Butte County, ID
Jurisdiction:
Challis National Forest · United States Forest Service

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: Jul 28, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

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Imported route

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