Big Sandy
Big Sandy Trail is a 7.4-mile trail in Bridger-Teton National Forest, Wyoming. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock and mountain biking. It enters Bridger Wilderness and Popo Agie 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 end | 42.6956° N, 109.2667° W · Directions ↗ |
| Other end | 42.7694° N, 109.2111° W · 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 5 segments.
The trail
| Length | 7.4 miles |
| Trail class | 3, developed |
| Type | land trail |
| Surface | native material (firm) |
| Typical tread width | 18-24 inches |
| Minimum width | 24 inches |
| Motor vehicles | Closed to all motorized use year-round |
| Accessibility | Not evaluated |
| National designation | National Scenic or Historic Trail |
| Trail numbers | 7099 |
| Forest | Bridger-Teton National Forest (unit 0403) |
| States | Wyoming |
| Detail published | management 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
| Hiking | Allowed 05/01 to 10/31 (month/day) |
| Horse and pack stock | Allowed 05/01 to 10/31 (month/day) |
| Mountain biking | Allowed 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.
Wilderness
- Bridger WildernessFS · about 87% of the line is insideWilderness Connect ↗
- Popo Agie WildernessFS · the line touches the boundaryWilderness Connect ↗
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.
Trails nearby
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
Guidebooks for Wyoming
We earn a small commission if you buy through these links. It does not change what we list.
Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
How long is the Big Sandy Trail?
The Forest Service records 7.4 miles under this name in Bridger-Teton National Forest, the sum of 5 segments.
Source: Forest Service trail layer
What is allowed on the Big Sandy Trail?
Hiking, horse and pack stock and mountain biking are allowed. 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 Big Sandy Trail start?
The line begins at 42.6956° N, 109.2667° W and ends at 42.7694° N, 109.2111° W. 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 Big Sandy Trail in a wilderness area?
Yes. It enters Bridger Wilderness and Popo Agie Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.
Source: Bridger Wilderness
Where can I camp near the Big Sandy Trail?
Big Sandy Campground (0.6 mi) is within five miles of the trail. The camping section lists it with site counts and booking links.
Source: Campsite Atlas
How developed is the Big Sandy 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 Big Sandy Trail?
The typical tread is 18-24 inches wide.
Source: Forest Service trail layer
Is the Big Sandy Trail a national trail?
Yes. The record marks it as a National Scenic or Historic Trail.
Source: Forest Service trail layer
Who manages the Big Sandy Trail?
Bridger-Teton National Forest, Forest Service unit 0403. The trail is in Wyoming.
Source
This page is built from 5 segments named Big Sandy 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 November 1, 2026. The methodology page explains how segments become trails.