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Routes
Running trails & routes
United States
Colorado
Pitkin County

Lost Man Loop Trail

Hard

5.0

(7652)

16,913

runners

Lost Man Loop Trail

01:56

12.2km

710m

Running

Challenge yourself on the 7.6-mile Lost Man Loop Trail, a difficult high-altitude jogging route with stunning alpine lakes and panoramic vie

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Hunter–Fryingpan Wilderness

White River National Forest

Waypoints

A

Start point

Parking

Get Directions

1

3.02 km

Independence Lake

Highlight • Lake

2

3.70 km

Lost Man Pass

Highlight • Mountain Pass

3

4.32 km

Lost Man Lake

Highlight • Lake

B

12.2 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

12.2 km

< 100 m

Surfaces

7.80 km

4.41 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Today

Saturday 4 July

17°C

5°C

20 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

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Frequently Asked Questions

Where does the Lost Man Loop Trail start, and what are the parking options?

The trail has two trailheads, one at each end of the route along Highway 82. Parking is available at both, but spaces can fill up quickly during peak season. It's advisable to arrive early.

Is the Lost Man Loop Trail a true loop, or do I need to arrange transportation?

While often referred to as a loop, it's technically a semi-loop or point-to-point. To complete the entire route without retracing your steps, you'll need to arrange a car shuttle between the two trailheads. Walking the 4 miles along Highway 82 is not recommended due to its narrowness and lack of a shoulder.

Are permits or fees required to jog the Lost Man Loop Trail or enter White River National Forest?

Generally, no specific permits are required for day use on the Lost Man Loop Trail itself. The trail is located within the White River National Forest, which typically does not charge entrance fees for general access. However, always check the latest regulations from the USDA Forest Service for any updates, especially if planning an overnight trip or group activity.

What is the terrain like on this route?

The terrain varies significantly. You'll find subalpine meadowland and open grasslands in lower elevations. As you climb, it transitions to rockier sections, especially around Lost Man Lake, typical of alpine tundra. Expect dirt and rocky paths, with some steep switchbacks through boulder fields. The trail closely follows Lost Man Creek for significant portions.

How difficult is jogging the Lost Man Loop Trail, especially considering the high altitude?

The trail is rated as difficult for jogging. A major challenge is the high elevation, with the trailhead starting around 10,490 feet and Lost Man Pass reaching 12,820 feet. The ascent to the pass involves a steep climb, gaining approximately 400 feet in just 0.3 miles. Joggers should be well-acclimated to the altitude to avoid difficulties.

Is this trail suitable for beginner joggers?

Given its difficult rating, significant elevation gain (711 meters up), and high altitude, this trail is generally not recommended for beginner joggers. It requires good physical conditioning and altitude acclimation.

What is the best time of year to jog the Lost Man Loop Trail?

Mid-summer is generally the best time, typically from late July through September. During this period, the open valleys are vibrant with wildflowers, and the weather is usually more stable. Be aware that snow can persist into July, making waterproof footwear necessary earlier in the season.

What scenic highlights and viewpoints can I expect along the route?

The trail is renowned for its dramatic scenery. You'll traverse two scenic valleys, encountering picturesque alpine lakes like Independence Lake and Lost Man Lake. From Lost Man Pass, the highest point, panoramic views extend across the Continental Divide, the Hunter-Fryingpan Wilderness, and the Collegiate Peaks Wilderness.

Is the Lost Man Loop Trail dog-friendly?

Yes, the Lost Man Loop Trail is generally dog-friendly. However, dogs must be kept on a leash to protect wildlife and ensure a pleasant experience for all trail users. Always practice Leave No Trace principles, including packing out all pet waste.

What should I wear or bring for jogging on this trail?

Due to varying terrain and high altitude, layers are essential. Waterproof footwear might be more appropriate than standard running shoes, especially earlier in the season when the trail can be wet or snowy. Bring plenty of water, sun protection, and be prepared for rapidly changing weather conditions common in alpine environments.

Does the trail intersect with any other paths?

Yes, the route primarily follows the Lost Man Loop Trail (73% of the route) but also passes through sections of the Linkins Lake Trail (6%).

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