4.6
(2871)
9,119
riders
02:35
19.1km
930m
Mountain biking
The Crosier Mountain Loop is a difficult 11.9-mile mountain biking trail in Roosevelt National Forest with 3066 feet of elevation gain.
Last updated: February 26, 2026
Tips
Includes very steep uphill segments
You may need to push your bike.
After 159 m for 3.00 km
After 5.20 km for 806 m
Waypoints
Start point
Parking
Get Directions
678 m
Highlight (Segment) • Trail
Tip by
5.96 km
Highlight • Summit
Tip by
6.89 km
Highlight (Segment) • Trail
Tip by
19.1 km
End point
Parking
Way Types & Surfaces
Way Types
14.1 km
4.70 km
226 m
< 100 m
Surfaces
18.5 km
379 m
226 m
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Elevation
Highest point (2,790 m)
Lowest point (1,960 m)
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Weather
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Today
Sunday 17 May
11°C
-1°C
86 %
Additional weather tips
Max wind speed: 9.0 km/h
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This route was planned by komoot.
The Crosier Mountain Loop is generally classified as difficult and challenging. Riders should expect steep climbs with switchbacks, rocky paths, and technical sections. Some parts are described as a "wicked-fast bobsled run of rocks and slabs" with water bars and loose granite. Be prepared for significant elevation gain.
Yes, due to significant damage from past floods, many sections are badly washed-out and eroded, often requiring extensive "hike-a-biking." The actual summit trail, in particular, is not recommended for bikes due to its steep and loose nature. Be prepared to dismount and walk your bike in several places.
The trail offers rewarding vistas and breathtaking panoramic views. You'll transition from shaded forest groves to open meadows. The summit provides sweeping views of the Estes Park area, including iconic peaks like Longs Peak and the Twin Sisters Peaks, Signal Mountain, and the foothills and plains of the Front Range. You'll also find open meadow views towards the Mummy Range and sweeping views of the Big Thompson Canyon. A unique point of interest is a historic old mine entrance, now serving as a bat habitat.
There are three primary access points for the trail: Garden Gate, Rainbow Trail, and Glen Haven. The Glen Haven approach is often considered the gentlest route for ascents. For detailed parking information and directions, it's advisable to check local forest service resources or the komoot tour page for this route.
The best time to ride is typically from late spring through early fall. In spring, the meadows can be vibrant with wildflowers. However, always check current weather and trail conditions before heading out, as conditions can change rapidly, especially at higher elevations.
The Crosier Mountain Loop is located within Roosevelt National Forest. While there isn't typically an entrance fee for the forest itself, some specific trailheads or recreation areas might require a day-use fee or a pass. It's always best to check the official USDA Forest Service website for the most current information regarding permits and fees: usda.gov.
As part of Roosevelt National Forest, dogs are generally allowed on the trail. However, they must be kept on a leash at all times. Please remember to pack out all pet waste to help preserve the natural environment.
Yes, the route incorporates sections of several other trails. You will ride along parts of the Crosier Mountain Trail, Glade Road, Crosier Mountain Rainbow Trail, Crosier Mountain Summit Trail, and the Coyote Rock Trail.
Key highlights on this route include the challenging Rainbow Trail, the summit of Crosier Mountain itself, and sections of the Crosier Mountain Trail, all offering distinct experiences and views.
Yes, the Crosier Mountain Loop is a multi-user trail. You can expect to share the path with hikers and horseback riders. Always be courteous and aware of other trail users, especially on technical or narrow sections.
The trail sustained significant damage from past floods, leading to badly washed-out and eroded sections. This means you should be prepared for very technical riding, loose granite, and likely sections where you'll need to dismount and walk your bike. Always exercise caution and assess conditions before proceeding.