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Salmon National Forest/Idaho

Three Mile Ridge

North Fork Ranger District, Idaho

4.6 mi

Distance

3,228 ft

Elev. Gain

3h 9m

Est. Time

Point to Point

Route Type

Expert

Difficulty

About This Trail

Three Mile Ridge is a point-to-point trail in Salmon National Forest, managed by the United States Forest Service, in Lemhi County, Idaho. It is 4.6 miles long and gains 3,228 feet. The surface is dirt. The nearest town is Sula, Montana, about 19 miles away in a straight line.

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.

No recent condition reports. Be the first to share what you see on the trail.

Elevation Profile

Min:1,482 ft
Max:2,464 ft
Gain:996 ft
Loss:14 ft
Elevation profileA line rising and falling between 1,482 ft and 2,464 ft across 4.6 mi along the route, drawn from start to end.1,482 ft1,810 ft2,137 ft2,464 ft0.0 mi1.1 mi2.3 mi3.4 mi4.6 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,482 ft
End4.6 mi2,464 ft

Trail Details

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

Nearest town:
Sula, MT · about 19 mi away
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

Nearby Trails

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Continental Divide Nst

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Continental Divide Nst

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Anderson Mtn Loop

3.5 mi
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Continental Divide Nst

1.8 mi
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Continental Divide Nst

0.5 mi
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In this park

Other trails in Salmon National Forest

View Salmon National Forest
Ship Island Lake Trail

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Meadow Lake to the Lemhi Divide

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Buck and Bear Valley Lakes

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Wagonhammer - Elk Trail Loop

Wagonhammer - Elk Trail Loop

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Harbor Lake and Wilson Lake

Harbor Lake and Wilson Lake

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Stroud Lake Trail

Stroud Lake Trail

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6.7 mi1,407 ftgain
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Stay nearby

Campgrounds near this trail

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