Greyrock
Greyrock Trail is a 3.2-mile trail in Arapaho and Roosevelt National Forests, Colorado. The Forest Service rates it trail class 3, developed. It is open to hiking.
Trail conditions, closures and hazards are not tracked here. The Arapaho and Roosevelt 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 | 40.6954° N, 105.2848° W · Directions ↗ |
| Other end | 40.7157° N, 105.2925° 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
| Length | 3.2 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 |
| National designation | National Recreation Trail or other national designation |
| Trail numbers | 946 |
| Forest | Arapaho and Roosevelt National Forests (unit 0210) |
| 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
| Hiking | 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
Greyrock Trailhead (#946)/Greyrock Meadows (#947) No season published Trail Regulations: Dogs must be on a hand held leash. No motorized or mechanized equipment. Horses and stock are prohibited. Camps and fires at least 200 feet from water and trail. Shooting is prohibited unless hunting. | 0.1 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.
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
- PrescribedMagic Feather Broadcast Rx
13 mi from the trail midpoint
- PrescribedSalt Cabin Broadcast Rx
13 mi from the trail midpoint
- PrescribedFront Country Broadcast Rx
27 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
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Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
How long is the Greyrock Trail?
The Forest Service records 3.2 miles under this name in Arapaho and Roosevelt National Forests, the sum of 1 segment.
Source: Forest Service trail layer
What is allowed on the Greyrock Trail?
Hiking is allowed. The trail is closed to motor vehicles year-round.
Source: Forest Service trail layer
Where does the Greyrock Trail start?
The line begins at 40.6954° N, 105.2848° W and ends at 40.7157° N, 105.2925° W. The nearest recorded trailhead is Greyrock Trailhead (#946)/Greyrock Meadows (#947), 0.1 miles from the line. The record does not say which end is the usual start.
Source: Forest Service trail layer
Is the Greyrock 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 Greyrock Trail?
Ansel Watrous (2.8 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 Greyrock 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 Greyrock Trail?
The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.
Source: Forest Service trail layer
Is the Greyrock Trail a national trail?
Yes. The record marks it as a National Recreation Trail.
Source: Forest Service trail layer
Who manages the Greyrock Trail?
Arapaho and Roosevelt National Forests, Forest Service unit 0210. The trail is in Colorado.
Source: Arapaho and Roosevelt National Forests official page
Is there a fire near the Greyrock Trail?
The interagency feed shows 3 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest Magic Feather Broadcast Rx at 13 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 1 segment named Greyrock in the Forest Service TrailNFS_Publish layer, administrative unit 0210. 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.