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MTB trails
United States
Colorado
Summit County

Ptarmigan Peak Wilderness

The best MTB trails in Ptarmigan Peak Wilderness

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.

Best mountain bike trails in Ptarmigan Peak Wilderness

  • The most popular mountain bike trail is Mountainbike loop from Dillon, a 9.3 miles (14.97 km) trail that takes 1…

Last updated: May 11, 2026

49

riders

#1.

Snake River Trail loop from Dillon

27.9km

02:47

670m

670m

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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Moderate

17

riders

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Popular around Ptarmigan Peak Wilderness

Hiking in Ptarmigan Peak Wilderness

Running Trails in Ptarmigan Peak Wilderness

Cycling in Ptarmigan Peak Wilderness

Road Cycling Routes in Ptarmigan Peak Wilderness

Tips from the Community

mtm05005
June 4, 2025, Dillon Nature Preserve

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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November 18, 2023, Sentinel Island View

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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Frequently Asked Questions

How many mountain bike trails are available in Ptarmigan Peak Wilderness?

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.

Are there mountain bike trails suitable for beginners in Ptarmigan Peak Wilderness?

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.

What are some challenging mountain bike trails for advanced riders?

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 – Colorado Trail meadow view loop from Dillon.

What is the best time of year to go mountain biking in Ptarmigan Peak Wilderness?

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.

Are there any family-friendly mountain biking options?

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 – Sentinel Island View loop from Dillon, might be more suitable.

What kind of wildlife might I encounter on the trails?

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.

Are permits required for mountain biking in Ptarmigan Peak Wilderness?

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.

Where can I find scenic viewpoints along the mountain bike trails?

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 – Sentinel Island View loop from Dillon, for example, offers views of the dam and surrounding landscapes.

What do other mountain bikers enjoy most about the trails in Ptarmigan Peak Wilderness?

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.

Are there loop mountain bike trails available?

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 – Snake River Trail loop from Dillon.

How does mountain biking in Ptarmigan Peak Wilderness compare to Eagles Nest Wilderness?

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.

What should I wear for mountain biking in this region?

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.

Are there cafes or breweries near the mountain bike trails?

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.

Most popular routes in Ptarmigan Peak Wilderness

Hiking in Ptarmigan Peak Wilderness

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