Montana · Trail 513

Sheep Mountain

Sheep Mountain Trail is a 18.7 miles trail in Lolo National Forest, Montana. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock and mountain biking.

Trail conditions, closures and hazards are not tracked here. The Lolo 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 end46.9203, -113.9483 · Directions ↗
Other end46.9895, -113.7520 · 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

Length18.7 miles
Trail class3, developed
Typeland trail
Surfacenative material
Typical grade12-20 percent
Typical tread width18-24 inches
Motor vehiclesClosed to all motorized use year-round
AccessibilityNot evaluated
Trail numbers513
ForestLolo National Forest (unit 0116)
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.

Weather by month

NOAA climate normals →
Weather by month near Sheep Mountain Trail20°30°40°50°60°70°January: 1.24 inches of precipitation, 12.5 inches of snowFebruary: 1.11 inches of precipitation, 7.9 inches of snowMarch: 1.19 inches of precipitation, 7.4 inches of snowApril: 1.68 inches of precipitation, 1.4 inches of snowMay: 2.26 inches of precipitation, 0.3 inches of snowJune: 2.61 inches of precipitation, 0.2 inches of snowJuly: 0.99 inches of precipitation, 0.0 inches of snowAugust: 1.03 inches of precipitation, 0.0 inches of snowSeptember: 1.14 inches of precipitation, 0.0 inches of snowOctober: 1.42 inches of precipitation, 0.7 inches of snowNovember: 1.41 inches of precipitation, 6.9 inches of snowDecember: 1.35 inches of precipitation, 12.9 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 27.0°F averageFebruary: 30.5°F averageMarch: 38.3°F averageApril: 44.9°F averageMay: 53.6°F averageJune: 60.1°F averageJuly: 68.7°F averageAugust: 67.5°F averageSeptember: 58.3°F averageOctober: 45.1°F averageNovember: 33.7°F averageDecember: 26.2°F average0 in5 in10 in15 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Missoula 2 NE, 7 miles from the trail midpoint at 3,420 feet, station USC00245735 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 17 inches a year. The dotted line is average snowfall, about 50 inches a year on the same inches scale. The station sits about 3,400 feet lower than the trail midpoint, so temperatures on the ground run cooler.

Allowed uses

HikingAllowed 06/01 to 11/15 (month/day)
Horse and pack stockAllowed 06/01 to 11/15 (month/day)
Mountain bikingAllowed 06/01 to 11/15 (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.

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.

Fire nearby

  • Prescribed
    Bison Range Br2F Rx

    45 mi from the trail midpoint

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 Sheep Mountain Trail?

18.7 miles, the sum of the 1 segment the Forest Service records under this name in Lolo National Forest.

Source: Forest Service trail layer

What is allowed on the Sheep Mountain Trail?

hiking, horse and pack stock and mountain biking. 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 Sheep Mountain Trail start?

The line begins at 46.9203, -113.9483 and ends at 46.9895, -113.7520. 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 Sheep Mountain Trail 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 Sheep Mountain Trail?

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: Lolo National Forest official page

How developed is the Sheep Mountain Trail?

Trail class 3, which the Forest Service describes as 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 Sheep Mountain Trail?

The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.

Source: Forest Service trail layer

Who manages the Sheep Mountain Trail?

Lolo National Forest, Forest Service unit 0116. The trail is in Montana.

Source: Lolo National Forest official page

Is there a fire near the Sheep Mountain Trail?

1 active incident within 50 miles of the trail midpoint as of 2026-09-18, the nearest Bison Range Br2F Rx at 45 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 1 segment named SHEEP MOUNTAIN in the Forest Service TrailNFS_Publish layer, administrative unit 0116. 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.