Greenhorn Mountain Road
9.5 mi
Distance
709 ft
Elev. Gain
3h 31m
Est. Time
Point to Point
Route Type
Difficult
Difficulty
About This Trail
Greenhorn Mountain Road is a point-to-point trail in San Isabel National Forest, managed by the United States Forest Service, in Custer County, Colorado. It is 9.5 miles long and gains 709 feet. Per Colorado Parks and Wildlife (COTREX), it is open to bikes and horses. The nearest town is Rye, Colorado, about 10 miles away in a straight line.
From the trail data on this page. For conditions and closures, see official sources.
Trail Conditions
Trail Conditions
We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.
No recent condition reports. Be the first to share what you see on the trail.
Elevation Profile
| Point | Distance from start | Elevation |
|---|---|---|
| Start | 0.0 mi | 3,381 ft |
| High point | 5.9 mi | 3,426 ft |
| End | 9.5 mi | 3,263 ft |
Trail Details
Bike and horse access: Colorado Parks and Wildlife (COTREX), checked 2026-10-14. Rules change, so confirm with the land manager before you go.
- Route Type
- Point to Point
Official sources & verification
Managed by United States Forest Service
Managing agency
- United States Forest Service
Find offices, alerts, and current orders for this agency.
Where it is
- Nearest town:
- Rye, CO · about 10 mi away
- County:
- Custer County, CO
- Jurisdiction:
- San Isabel National Forest · United States Forest Service
Nearest town and county from U.S. Census Bureau place records and county boundaries.
Reviews
No reviews yet
Be the first to share your experience and help others plan their visit.
Imported route
In this park
Other trails in San Isabel National Forest
North Mount Elbert Trail
Colorado
Mount Massive Trail (via South East)
Colorado
Huron Peak via North Huron Trail
Colorado
Browns Creek Waterfall Trail
Colorado
Mount Yale Summit Trail
Colorado
Timberline Lake Trail
Colorado
Stay nearby
Campgrounds near this trail
Ponderosa Group - Lake Isabel
2.6 mi awaySan Isabel National Forest
Rye, CO
Check official pricing1 sitesReservable No Service
Spruce Group - Lake Isabel
2.6 mi awaySan Isabel National Forest
Rye, CO
Check official pricing1 sitesReservable No Service
Spruce Group Campground
2.8 mi awaySan Isabel National Forest
National Forest Reservable
Ponderosa Group Campground
2.9 mi awaySan Isabel National Forest
National Forest Reservable
St Charles Campground - Lake Isabel
3.2 mi awaySan Isabel National Forest
Rye, CO
Check official pricing15 sitesReservable TentRV Well reviewed No Service
Southside Campground - Lake Isabel
3.6 mi awaySan Isabel National Forest
Rye, CO
Check official pricing16 sitesReservable TentRV No Service
Similar length
Similar trails in Colorado
Quandary Peak Trail
Colorado
North Mount Elbert Trail
Colorado
Sky Pond Trail
Colorado
Grays and Torrey's Peak
Colorado
Mount Bierstadt Trail
Colorado
Ice Lake Basin Trail
Colorado