Greenhorn Mountain Wilderness, a wilderness area in Colorado, encompasses 23,087 acres within the Pike and San Isabel National Forests. This region is characterized by a dramatic elevation change, rising from 7,600 to 12,347 feet, transitioning from plains to mountains. The terrain features small canyons, sharp ridges, and varied forest cover, including oakbrush, ponderosa pine, aspen, fir, spruce, and alpine tundra at higher elevations. The wilderness offers opportunities for several sports like hiking.
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8.51km
03:04
590m
400m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

3.16km
00:55
30m
180m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

1.54km
00:24
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

5.82km
02:57
790m
10m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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Greenhorn Mountain Wilderness is a 23,087-acre wilderness area located in Colorado, within the Pike and San Isabel National Forests. It is characterized by a significant elevation change, rising from approximately 7,600 feet to 12,347 feet at Greenhorn Mountain.
The primary outdoor activity available in Greenhorn Mountain Wilderness is hiking. The area is designated as non-motorized, prohibiting ATVs and bicycles, which helps preserve its pristine environment for foot-based exploration.
The northern half of Greenhorn Mountain Wilderness contains about 11 miles of trails. Notable options include the Bartlett Trail, which has two trailhead access points, and the Greenhorn Trail #1316. For more information, refer to the Hiking in Greenhorn Mountain Wilderness guide.
Yes, challenging hikes are available. The Greenhorn Trail #1316 is considered a moderate difficulty trail, spanning 7.8 miles (12.6 km) and gaining 3,880 feet (1,183 m) in elevation. This trail offers a rewarding experience for those seeking a strenuous ascent.
The wilderness features small canyons and sharp ridges, with approximately two-thirds of the area forested. Vegetation rapidly changes from dry oakbrush and ponderosa pine to aspen, fir, spruce, and alpine tundra at higher elevations. Several streams descend from Greenhorn Mountain.
From the summit of Greenhorn Mountain, hikers can experience panoramic views. These include the Great Plains, the Sangre de Cristo Mountains, Pikes Peak, and the Spanish Peaks. Various Greenhorn Mountain Wilderness viewpoints offer expansive vistas.
As a wilderness area managed by the U.S. Forest Service, dogs are generally permitted on trails in Greenhorn Mountain Wilderness. However, they must be kept on a leash to protect wildlife and ensure a positive experience for all visitors.
The area serves as an important habitat for various wildlife. Visitors might spot bighorn sheep, elk, and mule deer. The streams also provide habitat for the threatened greenback cutthroat trout.
The Greenhorn Mountain Wilderness offers a unique experience due to its relatively low snow cover compared to other Colorado wilderness areas. This makes it accessible for hiking during various seasons, though conditions can vary with elevation.
Komoot currently features 1 route for Greenhorn Mountain Wilderness. This route is primarily focused on hiking, reflecting the area's main outdoor activity.
A dedicated komoot guide, Hiking in Greenhorn Mountain Wilderness, provides detailed information on routes, highlights, and other relevant details for exploring the area on foot.
The official website for Greenhorn Mountain Wilderness, managed by the U.S. Forest Service as part of the Pike-San Isabel National Forests, is fs.usda.gov/recarea/psicc/recarea/?recid=12959.
The San Carlos Ranger District Office, which manages the Greenhorn Mountain Wilderness, can be reached by phone. The contact number is 719-269-8500.

