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Routes
Running trails & routes
United States
Colorado
Summit County

Ptarmigan Peak Trail

Hard

4.9

(9373)

18,043

runners

Ptarmigan Peak Trail

02:40

16.0km

1,060m

Running

Jogging the difficult 10.0-mile Ptarmigan Peak Trail in White River National Forest offers challenging climbs and panoramic views of Lake Di

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Ptarmigan Peak Wilderness

White River National Forest

Waypoints

A

Start point

Parking

Get Directions

1

376 m

View of Lake Dillon from Ptarmigan Loop Trail

Highlight (Segment) • Viewpoint

The Ptarmigan Loop Trail and Ptarmigan Peak Trail form a loop when combined. Without even having to reach the actual peak, you can gain great views by just marching up …

Tip by

2

5.28 km

The Ptarmigan Loop Trail and Ptarmigan Peak Trail intersect in an open meadow near treeline. This also marks the Ptarmigan Peak Wilderness boundary, and no bikes are allowed to climb …

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3

7.95 km

Ptarmigan Peak

Highlight • Summit

Ptarmigan Peak is the local looming mountain for Silverthorne, Colorado. The mountain's summit rises to 12,498 feet, almost 1,000 feet above treeline. This offers expansive views of various 13,000 and …

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B

16.0 km

End point

Parking

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Way Types & Surfaces

Way Types

15.8 km

184 m

Surfaces

16.0 km

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Elevation

Elevation

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Weather

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Today

Wednesday 27 May

12°C

4°C

75 %

Additional weather tips

Max wind speed: 14.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the Ptarmigan Peak Trail for jogging?

This trail is considered difficult, with a significant elevation gain of over 3,500 feet. It features consistently steep sections, especially as you ascend, and varied terrain including dirt, rocky areas, and alpine tundra. While some lower sections might be runnable, the overall route demands a high level of fitness and experience for trail running.

What is the terrain like on the trail?

The terrain on this route is quite diverse. It starts with a steep climb through a residential area and a large meadow, then enters pine and aspen forests. As you gain elevation, the trail becomes consistently steeper with long switchbacks. Above 11,000 feet, it breaks out into alpine tundra. You can expect varied surfaces, including dirt, potentially rocky sections, and even minor snow drifts near the top at certain times of the year. Some parts may also pass through burn scars from the 2021 Ptarmigan Fire.

What kind of views can I expect along the route?

The trail offers spectacular and continuously improving views. Early on, you'll get unobstructed views of Lake Dillon and the Tenmile Range. As you climb, gaps in the trees reveal views of the Gore Range. Above the treeline, the landscape opens up to expansive ridges with bird's-eye views across Summit County. From higher elevations and the summit, you can enjoy panoramic vistas of the Continental Divide, Gore Range, Tenmile Range, Williams Fork Range, Buffalo Mountain, Red Peak, Mt. Guyot, Bald Mountain, and Lake Dillon. Don't miss the View of Lake Dillon from Ptarmigan Loop Trail and the summit of Ptarmigan Peak.

Where can I park for the Ptarmigan Peak Trail?

The trail starts near Silverthorne, Colorado. While specific parking details aren't provided, it's common for trails in this area to have designated trailhead parking. Given its popularity, especially in summer, arriving early is often recommended to secure a spot.

Is the Ptarmigan Peak Trail dog-friendly?

Yes, the trail is located within the Ptarmigan Peak Wilderness Area, which is part of the White River National Forest. Dogs are generally allowed on trails in National Forests, but they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all users. Please remember to pack out all pet waste.

What is the best time of year to jog this trail?

The best time to jog this trail is typically during the summer months, from late June through September, when the snow has melted from the higher elevations and the weather is most favorable. However, be prepared for potential afternoon thunderstorms common in the Rockies during summer. Always check weather conditions before heading out, especially for alpine sections.

Are there any permits or fees required for the Ptarmigan Peak Trail?

The Ptarmigan Peak Trail is located within the White River National Forest and enters the Ptarmigan Peak Wilderness Area. Generally, there are no specific permits or entrance fees required for day use on trails within the White River National Forest. However, it's always a good idea to check the official USDA Forest Service website for the White River National Forest (fs.usda.gov/whiteriver) for the most current regulations, especially if planning an overnight trip or if specific area restrictions are in place.

How long does it typically take to complete the trail?

For jogging, the estimated duration for this 16 km (10-mile) out-and-back trail with over 1,000 meters (3,500 feet) of elevation gain is around 2 hours and 40 minutes. However, this is an estimate for continuous movement. Your actual time will depend on your fitness level, pace, and how often you stop to enjoy the views or rest.

Does the trail intersect other well-known paths?

Yes, the route intersects with several other trails. You will find sections that overlap with the CDT iiyST, CDT ilcST, Ptarmigan Pass Trail, Ptarmigan Loop Trail, Ute Peak Trail, and Hyatt Ranch Connect Trail. These intersections can offer opportunities for longer or alternative routes if you're looking to explore further.

What should I bring or wear when jogging this trail?

Given the trail's difficulty, significant elevation gain, and exposure above treeline, it's crucial to be well-prepared. Bring plenty of water, high-energy snacks, and layers of clothing suitable for changing mountain weather, including a windbreaker or rain jacket. Sturdy trail running shoes with good grip are essential. Sun protection (hat, sunglasses, sunscreen) is also highly recommended, especially for the exposed alpine sections. A map, compass, or GPS device is advisable, as is a first-aid kit.

Is the Ptarmigan Peak Trail a loop or an out-and-back route?

The Ptarmigan Peak Trail is primarily an out-and-back route. You ascend to the peak and then return along the same path. While it intersects with other trails like the Ptarmigan Loop Trail, the main route to Ptarmigan Peak is not a full loop.

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