Adams Fork
Adams Fork Trail is a 6.6 miles trail in Rio Grande National Forest, Colorado. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock and mountain biking. It enters South San Juan Wilderness.
Trail conditions, closures and hazards are not tracked here. The Rio Grande 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 | 37.3186, -106.5957 · Directions ↗ |
| Other end | 37.3302, -106.6891 · 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 4 segments.
The trail
| Length | 6.6 miles |
| Trail class | 3, developed |
| Type | land trail |
| Surface | native material |
| Typical grade | 12-20 percent |
| Typical tread width | 18-24 inches |
| Motor vehicles | Closed to all motorized use year-round |
| Accessibility | Not evaluated |
| Trail numbers | 713 |
| Forest | Rio Grande National Forest (unit 0209) |
| States | Colorado |
| 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 year-round |
| Horse and pack stock | Allowed 05/01 to 11/15 (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
- South San Juan Wilderness WildernessFS · about 77% of the line is insideWilderness 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
No season published | 0.2 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. The recreation page link goes to the Forest Service site, which may redirect to the forest's recreation index.
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.
Fire nearby
- WildfireSwiss Roll
9 mi from the trail midpoint · 775 acres · 0% contained
- PrescribedWolf Creek Rx
13 mi from the trail midpoint · 1 acres
Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.
Reference
Questions people ask
How long is the Adams Fork Trail?
6.6 miles, the sum of the 4 segments the Forest Service records under this name in Rio Grande National Forest.
Source: Forest Service trail layer
What is allowed on the Adams Fork 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 Adams Fork Trail start?
The line begins at 37.3186, -106.5957 and ends at 37.3302, -106.6891. The nearest recorded trailhead is Adams Fork Trailhead, Trail 713, 0.2 miles from the line. The record does not say which end is the usual start.
Source: Forest Service trail layer
Is the Adams Fork Trail in a wilderness area?
Yes. It enters South San Juan Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.
Where can I camp near the Adams Fork Trail?
Mix Lake Campground (3.9 mi), Stunner Campground (4.1 mi) and Platoro Cabin 1 (4.3 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.
Source: Campsite Atlas
How developed is the Adams Fork 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 Adams Fork Trail?
The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.
Source: Forest Service trail layer
Who manages the Adams Fork Trail?
Rio Grande National Forest, Forest Service unit 0209. The trail is in Colorado.
Is there a fire near the Adams Fork Trail?
2 active incidents within 50 miles of the trail midpoint as of 2026-09-17, the nearest Swiss Roll at 9 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 4 segments named ADAMS FORK in the Forest Service TrailNFS_Publish layer, administrative unit 0209. 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.