Wyoming · Trail 4017

West Fork Crystal Cr

West Fork Crystal Cr Trail is a 11.8 miles trail in Bridger-Teton National Forest, Wyoming. The Forest Service rates it trail class 2, moderately developed. It is open to hiking and horse and pack stock. It enters Gros Ventre Wilderness.

Trail conditions, closures and hazards are not tracked here. The Bridger-Teton 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 end43.4788, -110.4085 · Directions ↗
Other end43.4808, -110.5483 · 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

Length11.8 miles
Trail class2, moderately developed
Typeland trail
Surfacenative material (firm)
Typical tread width18-24 inches
Minimum width24 inches
Motor vehiclesClosed to all motorized use year-round
AccessibilityNot evaluated
Trail numbers4017
ForestBridger-Teton National Forest (unit 0403)
StatesWyoming
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 West Fork Crystal Cr Trail10°20°30°40°50°60°70°January: 1.45 inches of precipitation, 19.1 inches of snowFebruary: 1.43 inches of precipitation, 15.6 inches of snowMarch: 1.33 inches of precipitation, 9.2 inches of snowApril: 1.46 inches of precipitation, 4.2 inches of snowMay: 1.83 inches of precipitation, 0.6 inches of snowJune: 1.61 inches of precipitation, 0.0 inches of snowJuly: 1.10 inches of precipitation, 0.0 inches of snowAugust: 1.14 inches of precipitation, 0.0 inches of snowSeptember: 1.59 inches of precipitation, 0.1 inches of snowOctober: 1.57 inches of precipitation, 2.0 inches of snowNovember: 1.37 inches of precipitation, 11.0 inches of snowDecember: 1.76 inches of precipitation, 16.4 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 16.2°F averageFebruary: 19.9°F averageMarch: 29.2°F averageApril: 38.0°F averageMay: 45.9°F averageJune: 53.8°F averageJuly: 60.2°F averageAugust: 58.9°F averageSeptember: 50.5°F averageOctober: 39.7°F averageNovember: 26.7°F averageDecember: 16.5°F average0 in5 in10 in15 in20 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Jackson, 14 miles from the trail midpoint at 6,210 feet, station USC00484910 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 18 inches a year. The dotted line is average snowfall, about 78 inches a year on the same inches scale. The station sits about 3,500 feet lower than the trail midpoint, so temperatures on the ground run cooler.

Allowed uses

HikingAllowed 05/01 to 10/31 (month/day)
Horse and pack stockAllowed 05/01 to 10/31 (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.

Wilderness

Inside a designated wilderness, bicycles and motor vehicles are prohibited by law regardless of the trail record, and permits or group limits may apply.

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
    Telephone

    48 mi from the trail midpoint · 23 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 West Fork Crystal Cr Trail?

11.8 miles, the sum of the 1 segment the Forest Service records under this name in Bridger-Teton National Forest.

Source: Forest Service trail layer

What is allowed on the West Fork Crystal Cr Trail?

hiking and horse and pack stock. 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 West Fork Crystal Cr Trail start?

The line begins at 43.4788, -110.4085 and ends at 43.4808, -110.5483. 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 West Fork Crystal Cr Trail in a wilderness area?

Yes. It enters Gros Ventre Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.

Source: Gros Ventre Wilderness Wilderness

Where can I camp near the West Fork Crystal Cr 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: Bridger-Teton National Forest official page

How developed is the West Fork Crystal Cr Trail?

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 West Fork Crystal Cr Trail?

The typical tread is 18-24 inches wide.

Source: Forest Service trail layer

Who manages the West Fork Crystal Cr Trail?

Bridger-Teton National Forest, Forest Service unit 0403. The trail is in Wyoming.

Source: Bridger-Teton National Forest official page

Is there a fire near the West Fork Crystal Cr Trail?

1 active incident within 50 miles of the trail midpoint as of 2026-09-18, the nearest Telephone at 48 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 1 segment named WEST FORK CRYSTAL CR in the Forest Service TrailNFS_Publish layer, administrative unit 0403. 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.