4.7
(20)
917
riders
41
rides
Mountain biking in Ptarmigan Peak Wilderness features high-altitude terrain characterized by dense conifer forests, alpine meadows, and rugged mountain passes. The region includes significant elevation changes, offering challenging climbs and descents. This wilderness area provides a diverse landscape for mountain bikers, with routes often traversing near reservoirs and along river corridors.
Last updated: May 11, 2026
49
riders
27.9km
02:47
670m
670m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
17
riders
14.8km
01:29
410m
400m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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22
riders
34.0km
02:07
190m
190m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
15
riders
19.3km
01:49
350m
350m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3.0
(1)
9
riders
19.8km
01:06
110m
110m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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The Dillon Nature Preserve is 175 acres of protected land along the eastern shore of Dillon Reservoir. The trails through the reserve are peaceful and offer panoramic views of the Tenmile and Gore Ranges.
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The Tenderfoot trail system offers a great ride for mountain bikers, with shared access for hikers and runners. This spot has some of the best views along the trail of Tenderfoot Mountain area, overlooking Lake Dillon, Frisco, and Silverthorne.
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The Frisco Wetlands Bike Path is a scenic segment of the Summit County Recreational Pathway System, spanning the wetlands adjacent to Dillon Reservoir. This multi-use paved path begins at the Frisco Marina, continues around the reservoir, passes through campgrounds, crosses the Dillon Dam, and concludes at the town of Dillon.
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At 9,000 feet and situated next to the Dillon Reservoir, Heaton Bay Camp ground is a wonderful base for outdoor adventures in the area.
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From this spot down a short spur trail off of the Dillion RecPath, you get a great view of Sentinel Island in the Dillon Reservoir. This is a lovely, short detour and a nice spot to snap some photos and eat a snack before continuing on your ride.
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The bike path to and around the Dillion Reservoir is very scenic and peaceful. There are amazing mountain views almost everywhere around the water, and you can watch boats launching from the nearby marina.
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Lovely protected bay lined by forested shores on the island and the park to the west.
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Excellent dedicated bike trail along the dam and shore of the reservoir.
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Ptarmigan Peak Wilderness offers a selection of 38 mountain bike trails. These routes traverse high-altitude terrain, featuring dense conifer forests, alpine meadows, and rugged mountain passes, providing diverse options for riders.
While the region is known for its challenging terrain, there is at least one easy mountain bike trail available. The majority of routes, 30 out of 38, are rated as moderate, offering a good balance for riders with some experience.
For advanced riders seeking a challenge, Ptarmigan Peak Wilderness features 7 difficult mountain bike trails. These routes typically involve significant elevation changes, demanding climbs, and technical descents. An example of a longer, moderately challenging route with substantial elevation gain is Keystone Ranch Road β Colorado Trail meadow view loop from Dillon.
The best time for mountain biking in Ptarmigan Peak Wilderness is typically from late spring through early fall (June to September). During these months, trails are generally free of snow, and the weather is more favorable. Always check local conditions before heading out, as high-altitude areas can experience unpredictable weather.
While many trails involve significant elevation, some of the moderate loops can be enjoyed by families with older children or those with some mountain biking experience. Routes that stick to wider paths or have less technical terrain, such as sections of the Dillon Dam & bike path β Sentinel Island View loop from Dillon, might be more suitable.
As a wilderness area, Ptarmigan Peak is home to diverse wildlife. You might spot deer, elk, various bird species, and smaller mammals. Bear and mountain lion sightings are less common but possible. Always maintain a safe distance, store food properly, and be aware of your surroundings.
Generally, permits are not required for day-use mountain biking in designated wilderness areas like Ptarmigan Peak. However, it's always advisable to check with the local Forest Service office or land management agency for the most current regulations, especially if planning an overnight trip or riding in specific restricted zones.
Many trails in Ptarmigan Peak Wilderness offer stunning scenic viewpoints due to the high-altitude terrain. Routes often traverse near reservoirs and along river corridors, providing picturesque views. The Dillon Dam & bike path β Sentinel Island View loop from Dillon, for example, offers views of the dam and surrounding landscapes.
The mountain bike trails in Ptarmigan Peak Wilderness are highly rated by the komoot community, with an average score of 4.8 stars from over 10 reviews. Riders often praise the high mountain passes, forested singletrack, and scenic reservoir views. The diverse landscape and options for different ability levels are also frequently highlighted.
Yes, there are several loop mountain bike trails in Ptarmigan Peak Wilderness. These loops offer the convenience of starting and ending at the same point. Popular options include Mountainbike loop from Dillon and Dillon Nature Preserve β Snake River Trail loop from Dillon.
Both Ptarmigan Peak Wilderness and Eagles Nest Wilderness offer high-altitude mountain biking experiences in Colorado. Ptarmigan Peak is characterized by its dense conifer forests, alpine meadows, and rugged passes, often with routes near reservoirs and river corridors. While specific trail comparisons would require detailed knowledge of Eagles Nest, Ptarmigan Peak provides a diverse network with options from moderate loops to challenging climbs, all within a pristine wilderness setting.
Given the high-altitude and potentially variable weather in Ptarmigan Peak Wilderness, it's best to dress in layers. Moisture-wicking base layers, an insulating mid-layer, and a wind/waterproof outer shell are recommended. Always bring sun protection (sunscreen, hat, sunglasses) and plenty of water. Helmets are essential for safety.
The Ptarmigan Peak Wilderness is close to towns like Dillon, which offer various amenities including cafes, restaurants, and breweries. After your ride, you can find options to refuel and relax in these nearby communities.


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