Montana · Trail 2135

Lost Horse

Lost Horse Trail is a 7 miles trail in Beaverhead-Deerlodge National Forest, Montana. The forest has not published allowed uses for it.

Trail conditions, closures and hazards are not tracked here. The Beaverhead-Deerlodge 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 end45.6737, -113.1723 · Directions ↗
Other end45.7477, -113.1898 · 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

Length7 miles
Typeland trail
AccessibilityNot evaluated
Trail numbers2135
ForestBeaverhead-Deerlodge National Forest (unit 0102)
StatesMontana
Detail publishedcenterline only

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 Lost Horse Trail10°20°30°40°50°60°January: 0.55 inches of precipitationFebruary: 0.53 inches of precipitationMarch: 0.64 inches of precipitationApril: 0.98 inches of precipitationMay: 1.90 inches of precipitationJune: 1.98 inches of precipitationJuly: 1.36 inches of precipitationAugust: 0.99 inches of precipitationSeptember: 1.21 inches of precipitationOctober: 1.12 inches of precipitationNovember: 0.94 inches of precipitationDecember: 0.73 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 19.6°F averageFebruary: 21.5°F averageMarch: 28.9°F averageApril: 36.7°F averageMay: 44.7°F averageJune: 52.0°F averageJuly: 58.4°F averageAugust: 57.4°F averageSeptember: 49.7°F averageOctober: 39.2°F averageNovember: 26.4°F averageDecember: 18.2°F average0 in0.5 in1 in1.5 in2 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Wise Rvr 3 WNW, 11 miles from the trail midpoint at 5,730 feet, station USC00249082 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 13 inches a year. The station sits about 1,800 feet lower than the trail midpoint, so temperatures on the ground run cooler.

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

  • Wildfire
    Bobcat Lakes

    5 mi from the trail midpoint · 10,896 acres · 72% contained

  • Wildfire
    Skull

    9 mi from the trail midpoint · 67 acres · 0% contained

  • Wildfire
    Sand Creek

    13 mi from the trail midpoint · 35,520 acres · 58% contained

  • Wildfire
    Moose

    35 mi from the trail midpoint · 6,005 acres · 15% contained

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

Limited data for this unit

Beaverhead-Deerlodge National Forest publishes this trail as a centerline only, with no class, surface or allowed uses. What is here is the name, the length and the line. The forest office has the rest.

Checked nightly. Sections appear as soon as the forest publishes more.

Explore

Reference

Questions people ask

How long is the Lost Horse Trail?

7 miles, the sum of the 1 segment the Forest Service records under this name in Beaverhead-Deerlodge National Forest.

Source: Forest Service trail layer

What is allowed on the Lost Horse Trail?

Beaverhead-Deerlodge National Forest has not published allowed uses for this trail. The forest office can say what is open.

Source: Beaverhead-Deerlodge National Forest official page

Where does the Lost Horse Trail start?

The line begins at 45.6737, -113.1723 and ends at 45.7477, -113.1898. 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 Lost Horse 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 Lost Horse 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: Beaverhead-Deerlodge National Forest official page

Who manages the Lost Horse Trail?

Beaverhead-Deerlodge National Forest, Forest Service unit 0102. The trail is in Montana.

Source: Beaverhead-Deerlodge National Forest official page

Is there a fire near the Lost Horse Trail?

4 active incidents within 50 miles of the trail midpoint as of 2026-09-18, the nearest Bobcat Lakes at 5 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 1 segment named LOST HORSE in the Forest Service TrailNFS_Publish layer, administrative unit 0102. 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.