Highway 90 Sno
Highway 90 Sno Trail is an 11.4-mile snow trail in Grand Mesa, Uncompahgre and Gunnison National Forests, Colorado. The Forest Service rates it trail class 4, highly developed. It is open to snowmobile, snowshoeing and cross-country skiing.
Trail conditions, closures and hazards are not tracked here. The Grand Mesa, Uncompahgre and Gunnison National Forests 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 | 38.3347° N, 108.1144° W · Directions ↗ |
| Other end | 38.2684° N, 108.2458° 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 2 segments.
The trail
| Length | 11.4 miles |
| Trail class | 4, highly developed |
| Type | snow trail |
| Surface | snow |
| Typical grade | 12-20 percent |
| Typical tread width | 18-24 inches |
| Motor vehicles | Open to at least one motorized use |
| Accessibility | Not evaluated |
| Trail numbers | 6S540 |
| Forest | Grand Mesa, Uncompahgre and Gunnison National Forests (unit 0204) |
| 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.
Weather by month
Allowed uses
| Snowmobile | Allowed year-round |
| Snowshoeing | Allowed year-round |
| Cross-country skiing | 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.
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.
Fire nearby
- PrescribedUpd Baldy Mountain Piles Rx
30 mi from the trail midpoint · 120 acres
- PrescribedGroundhog Piles Rx
32 mi from the trail midpoint · 30 acres
- WildfireGold Mountain
33 mi from the trail midpoint · 39,747 acres · 92% contained
- PrescribedDawson Rx
41 mi from the trail midpoint
Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.
Explore
Historic places nearby
Guidebooks for Colorado
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 Highway 90 Sno Trail?
The Forest Service records 11.4 miles under this name in Grand Mesa, Uncompahgre and Gunnison National Forests, the sum of 2 segments.
Source: Forest Service trail layer
What is allowed on the Highway 90 Sno Trail?
Snowmobile, snowshoeing and cross-country skiing are allowed. The trail is open to at least one motorized use.
Source: Forest Service trail layer
Where does the Highway 90 Sno Trail start?
The line begins at 38.3347° N, 108.1144° W and ends at 38.2684° N, 108.2458° 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 Highway 90 Sno 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 Highway 90 Sno Trail?
Iron Springs Campground (under 0.1 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 Highway 90 Sno Trail?
Trail class 4, which the Forest Service describes as highly 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 Highway 90 Sno Trail?
The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.
Source: Forest Service trail layer
Who manages the Highway 90 Sno Trail?
Grand Mesa, Uncompahgre and Gunnison National Forests, Forest Service unit 0204. The trail is in Colorado.
Source: Grand Mesa, Uncompahgre and Gunnison National Forests official page
Is there a fire near the Highway 90 Sno Trail?
The interagency feed shows 4 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest Upd Baldy Mountain Piles Rx at 30 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 2 segments named Highway 90 Sno in the Forest Service TrailNFS_Publish layer, administrative unit 0204. 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.