Main South Fork

Montana

Caution todayMontana
Caution today

Free — you'll pick up right here.

66.3 mi

Distance

824 ft

Gain

22h 30m

Time

Conditions: Caution

for hike, today

Agency alerts are in effect for this area; weather is marginal

2 factors · 2 sources

Newest 2 h ago · oldest 2 h

  • caution: Agency alerts

    10 active alerts in Flathead National Forest; most severe: Camp Creek Fire Updated Trail Closure

    USFSPosted Sep 11 · checked 2 h ago

  • caution: Weather

    Clouds, high 60°F / low 44°F, 93% precip — 65/100 for hike

    OpenWeather2 h ago

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Why you'll love it

Bob Marshall Wilderness wilderness
Out & back

Here's your day, mapped

Main South Fork

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Elevation & route

Distance
66.3 mi
Elevation gain
824 ft
Highest point
4,653 ft
Lowest point
3,746 ft
More about this trail ↓

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Directions & GPX

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Permits & access

Managing agency
Forest Service
Wilderness area
Bob Marshall Wilderness

About this trail

Main South Fork is a 66.26-mile out-and-back trail in Montana managed by the Forest Service with 824 feet of elevation gain.

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Guided trips nearby

Local operatorsoffering guided trips. You book directly with them — Roamze doesn’t take a cut.

Rocky Mountain Outfitter

Hiking business nearby (~49 mi away) — hasn't claimed their Roamze page yet

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