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Middle Fork River

29.2 mi

Distance

1,178 ft

Elev. Gain

10h 19m

Est. Time

Point to Point

Route Type

Expert

Difficulty

About This Trail

Middle Fork River is a point-to-point trail in Salmon National Forest, managed by the United States Forest Service, in Lemhi County, Idaho. It is 29 miles long and gains 1,178 feet. The surface is dirt. Per USDA Forest Service, it is open to horses and closed to bikes.

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:1,061 ft
Max:1,578 ft
Gain:414 ft
Loss:916 ft
Elevation profileA line rising and falling between 1,061 ft and 1,578 ft across 29.0 mi along the route, drawn from start to end.1,061 ft1,233 ft1,406 ft1,578 ft0.0 mi7.2 mi14.5 mi21.7 mi29.0 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,563 ft
High point0.5 mi1,578 ft
End29.0 mi1,061 ft

Trail Details

Bike and horse access: USDA Forest Service, checked 2026-10-14. Rules change, so confirm with the land manager before you go.

Route Type
Point to Point
Surface
Dirt

Official sources & verification

Managed by United States Forest Service

Verify before you go

Managing agency

Where it is

County:
Lemhi County, ID
Jurisdiction:
Salmon 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: Aug 17, 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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