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Montana

Main South Fork

4.2 mi

Distance

308 ft

Elev. Gain

1h 34m

Est. Time

Point to Point

Route Type

Moderate

Difficulty

About This Trail

Main South Fork is a point-to-point trail in Flathead County, Montana. It is 4.2 miles long and gains 308 feet. The surface is dirt. Per USDA Forest Service, it is open to horses. The nearest town is Swan Lake, Montana, about 15 miles away in a straight line.

From the trail data on this page.

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:1,179 ft
Max:1,234 ft
Gain:120 ft
Loss:110 ft
Elevation profileA line rising and falling between 1,179 ft and 1,234 ft across 4.1 mi along the route, drawn from start to end.1,179 ft1,197 ft1,216 ft1,234 ft0.0 mi1.0 mi2.1 mi3.1 mi4.1 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,214 ft
High point0.3 mi1,234 ft
End4.1 mi1,224 ft

Trail Details

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

Verify before you go

Where it is

Nearest town:
Swan Lake, MT · about 15 mi away
County:
Flathead County, MT

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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Cedar Flats Access

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Sergeant - Corporal Creek

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TrailDifficulty: Moderate

Chipmunk Peak

0.5 mi
TrailDifficulty: Easy

Sergeant - Corporal Creek

0.7 mi
TrailDifficulty: Easy

Stay nearby

Campgrounds near this trail

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Spot an error in our data on Main South Fork?