Idaho · Trail 3316

Highline

Highline Trail is a 60 miles trail in Caribou-Targhee National Forest, Idaho. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock, mountain biking, motorcycle, atv and e-bikes.

Trail conditions, closures and hazards are not tracked here. The Caribou-Targhee 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 end42.0219, -111.5289 · Directions ↗
Other end42.6246, -111.6833 · 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 32 segments.

The trail

Length60 miles
Trail class3, developed
Typeland trail
Surfacenative material
Typical grade12-20 percent
Typical tread width36-48 inches
Motor vehiclesOpen to at least one motorized use
AccessibilityNot evaluated
National designationNational Recreation Trail or other national designation
Trail numbers3316
ForestCaribou-Targhee National Forest (unit 0415)
StatesIdaho
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 Highline Trail10°20°30°40°50°60°70°January: 1.73 inches of precipitation, 23.3 inches of snowFebruary: 1.60 inches of precipitation, 19.0 inches of snowMarch: 1.48 inches of precipitation, 9.2 inches of snowApril: 1.74 inches of precipitation, 4.9 inches of snowMay: 2.29 inches of precipitation, 1.3 inches of snowJune: 1.28 inches of precipitation, 0.1 inches of snowJuly: 0.67 inches of precipitation, 0.0 inches of snowAugust: 0.96 inches of precipitation, 0.0 inches of snowSeptember: 1.35 inches of precipitation, 0.1 inches of snowOctober: 1.70 inches of precipitation, 2.9 inches of snowNovember: 1.38 inches of precipitation, 9.2 inches of snowDecember: 1.71 inches of precipitation, 20.6 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 17.7°F averageFebruary: 20.3°F averageMarch: 30.2°F averageApril: 40.1°F averageMay: 49.3°F averageJune: 57.4°F averageJuly: 65.4°F averageAugust: 64.2°F averageSeptember: 55.0°F averageOctober: 42.8°F averageNovember: 30.6°F averageDecember: 19.9°F average0 in5 in10 in15 in20 in25 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Bern, 10 miles from the trail midpoint at 5,964 feet, station USC00100803 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 18 inches a year. The dotted line is average snowfall, about 91 inches a year on the same inches scale. The station sits about 2,400 feet lower than the trail midpoint, so temperatures on the ground run cooler.

Allowed uses

HikingAllowed year-round
Horse and pack stockAllowed year-round
Mountain bikingAllowed year-round
MotorcycleAllowed year-round
ATVAllowed year-round
E-bikesAllowed year-round

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

Open 1/1/2010
0 mi

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.

Camping nearby

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.

Explore

Reference

Questions people ask

How long is the Highline Trail?

60 miles, the sum of the 32 segments the Forest Service records under this name in Caribou-Targhee National Forest.

Source: Forest Service trail layer

What is allowed on the Highline Trail?

hiking, horse and pack stock, mountain biking, motorcycle, atv and e-bikes. The trail is open to at least one motorized use.

Source: Forest Service trail layer

Where does the Highline Trail start?

The line begins at 42.0219, -111.5289 and ends at 42.6246, -111.6833. The nearest recorded trailhead is Emigration Winter Sports Area Trailhead, 0 miles from the line. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Highline 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 Highline Trail?

Beaver Creek Campground (0.1 mi), Emigration Campground (0.1 mi) and Egan Basin Guard Station (0.8 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.

Source: Campsite Atlas

How developed is the Highline 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 Highline Trail?

The typical grade is 12-20 percent. The typical tread is 36-48 inches wide.

Source: Forest Service trail layer

Is the Highline Trail a national trail?

Yes. The record marks it as a National Recreation Trail.

Source: Forest Service trail layer

Who manages the Highline Trail?

Caribou-Targhee National Forest, Forest Service unit 0415. The trail is in Idaho.

Source: Caribou-Targhee National Forest official page

Source

This page is built from 32 segments named HIGHLINE in the Forest Service TrailNFS_Publish layer, administrative unit 0415. 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.