Flathead National Forest · Montana · Trail SNO-29901

Alpine Loop

Alpine Loop is a 5 miles snow trail in Flathead National Forest, Montana. The Forest Service rates it trail class 2, moderately developed. It is open to snowshoeing and cross-country skiing.

Trail conditions, closures and hazards are not tracked here. The Flathead National Forest official page carries current alerts and closure orders.

Map

One end Other endLine simplified to about 100 metres. Basemap from the USGS National Map.

One end47.9861, -114.3345 · Directions ↗
Other end47.9784, -114.3119 · Directions ↗

The ends are the two ends of the longest connected chain of segments. The record does not say which is the usual start. The trail is recorded as 3 segments.

The trail

Length5 miles
Trail class2, moderately developed
Typesnow trail
Surfacesnow
Typical grade12-20 percent
Typical tread width96-120 inches
Motor vehiclesClosed to all motorized use year-round
AccessibilityEvaluated and does not meet accessibility guidelines
Trail numbersSNO-29901
ForestFlathead National Forest (unit 0110)
StatesMontana
Detail publishedmanagement level, with uses

Values are the set across all segments. Class 1 is minimally developed and class 5 is fully developed. Grade and width are the forest's typical values, not measured extremes.

Allowed uses

SnowshoeingAllowed year-round
Cross-country skiingAllowed 12/01 to 03/31 (month/day)

A use is listed when the Forest Service records it as managed, accepted or discouraged on any segment. Discouraged still means legal. Uses marked restricted are left out. Where the forest publishes a Motor Vehicle Use Map, that map governs motorized use.

Trailheads

The Forest Service recreation layer records no trailhead within a third of a mile of this trail's line. Many trails start from a road pullout or another trail with no trailhead record. The forest's recreation pages list the trailheads it does publish.

Distance is from the point to the nearest part of the trail line. Season text is what the forest wrote and is often a season name rather than a date. The recreation page link goes to the Forest Service site, which may redirect to the forest's recreation index.

Camping nearby

No federal campground is recorded within five miles of the trail. Dispersed camping is allowed on most National Forest land outside posted closures. The forest office has the current rules.

Campsite Atlas cards carry site counts and booking links from Recreation.gov. Forest Service cards come from the recreation layer and link the agency page.

Fire nearby

  • Prescribed
    Sb Horse Ridge Rx

    36 mi from the trail midpoint

  • Prescribed
    Sb Silver Mule Rx

    37 mi from the trail midpoint

  • Prescribed
    Bison Range Br2F Rx

    42 mi from the trail midpoint

  • Prescribed
    Rx D5 Tree Farm Piles

    43 mi from the trail midpoint · 90 acres

Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.

Explore

Reference

Questions people ask

How long is the Alpine Loop?

5 miles, the sum of the 3 segments the Forest Service records under this name in Flathead National Forest.

Source: Forest Service trail layer

What is allowed on the Alpine Loop?

snowshoeing and cross-country skiing. The trail is closed to motor vehicles year-round. Some uses are seasonal. The allowed uses section lists the dates.

Source: Forest Service trail layer

Where does the Alpine Loop start?

The line begins at 47.9861, -114.3345 and ends at 47.9784, -114.3119. No Forest Service trailhead is recorded within a third of a mile of it. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Alpine Loop in a wilderness area?

No. The trail line does not cross any polygon in the National Wilderness Preservation System layer.

Source: Wilderness Connect

Where can I camp near the Alpine Loop?

No federal campground is recorded within five miles of the trail. Dispersed camping is allowed on most National Forest land outside posted closures. The forest office has the current rules.

Source: Flathead National Forest official page

How developed is the Alpine Loop?

Trail class 2, which the Forest Service describes as moderately developed. Class 1 is a minimal, unimproved route and class 5 is fully developed, often paved.

Source: Forest Service trail layer

How steep and how wide is the Alpine Loop?

The typical grade is 12-20 percent. The typical tread is 96-120 inches wide.

Source: Forest Service trail layer

Is the Alpine Loop accessible?

No. The Forest Service evaluated it and found it does not meet its accessibility guidelines.

Source: Forest Service trail layer

Who manages the Alpine Loop?

Flathead National Forest, Forest Service unit 0110. The trail is in Montana.

Source: Flathead National Forest official page

Is there a fire near the Alpine Loop?

4 active incidents within 50 miles of the trail midpoint as of 2026-09-17, the nearest Sb Horse Ridge Rx at 36 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 3 segments named ALPINE LOOP in the Forest Service TrailNFS_Publish layer, administrative unit 0110. Wilderness overlap is tested against the National Wilderness Preservation System layer from Wilderness Connect. Trailheads and Forest Service campgrounds come from the Forest Service Recreation Opportunities layer. Data refreshed September 17, 2026. The methodology page explains how segments become trails.