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Hiking trails & Routes
United States
Colorado
Pitkin County

Lost Man Loop Trail

Moderate

4.6

(5475)

17,018

hikers

Lost Man Loop Trail

04:17

12.2km

710m

Hiking

Hike the Lost Man Loop Trail, a challenging 7.6-mile route in White River National Forest, offering alpine lakes and panoramic mountain view

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

3.69 km

Lost Man Pass

Highlight • Mountain Pass

3

4.31 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

Sunday 5 July

19°C

4°C

0 %

Additional weather tips

Max wind speed: 8.0 km/h

to get more detailed weather forecasts along your route

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Frequently Asked Questions

How long does it take to hike the Lost Man Loop Trail?

The Lost Man Loop Trail typically takes around 4 hours and 17 minutes to complete. This estimate is for the 12.25 km (7.6 mile) hike, but individual times may vary based on fitness level and how long you spend enjoying the views.

Is the Lost Man Loop Trail a true loop, or do I need a shuttle?

While often called a 'loop,' this trail is technically a semi-loop. To avoid a dangerous 4-mile walk along the narrow Highway 82, a car shuttle between the two trailheads is highly recommended. This allows you to complete the full 8.8-mile (14.2 km) route safely.

What is the terrain like on the Lost Man Loop Trail?

The terrain is varied and challenging, featuring significant elevation changes. You'll traverse alpine tundra, especially in the upper reaches of the Lost Man Creek Valley, and subalpine meadowland. Portions near the lakes have rocky shores. Be prepared for potentially wet and snowy conditions, even into July, making waterproof hiking boots a good choice.

What can I expect to see along the route?

The trail offers breathtaking 'see forever views' and diverse landscapes. You'll encounter pristine alpine lakes like Independence Lake and Lost Man Lake, hemmed by craggy cliffs. From Lost Man Pass, enjoy expansive views of the Continental Divide, the Hunter-Fryingpan Wilderness, and the Collegiate Peaks. In mid-summer, the meadows are vibrant with wildflowers, and you might spot mountain goats in the alpine tundra. The trail also follows the nascent Roaring Fork River.

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

The best time to hike the Lost Man Loop Trail is typically mid-summer, especially for vibrant wildflowers. However, be aware that the trail can be wet and snowy even into July due to its high elevation. Always check current conditions before you go.

Is the Lost Man Loop Trail dog-friendly?

Yes, the Lost Man Loop Trail is dog-friendly. Please ensure your dog is on a leash and that you practice Leave No Trace principles by packing out all waste.

Do I need a permit or is there an entrance fee for the White River National Forest?

Generally, permits are not required for day hiking on the Lost Man Loop Trail within the White River National Forest. There is typically no entrance fee for accessing the forest itself. However, it's always a good idea to check the latest regulations on the USDA Forest Service website before your visit, as conditions and rules can change.

What should I bring for a hike on this trail?

Given the significant elevation changes and high alpine environment, it's advisable to bring plenty of water, snacks, and layers of clothing. Waterproof hiking boots are highly recommended due to potentially wet and snowy conditions, even in summer. Sun protection (hat, sunscreen) is also crucial at high altitudes.

Is the Lost Man Loop Trail suitable for beginners?

The Lost Man Loop Trail is rated as moderate to difficult. It involves significant elevation gain, ascending to over 12,800 feet at Lost Man Pass. While rewarding, it's not typically recommended for beginners due to its challenging nature and high altitude. Hikers should have a good level of fitness and experience with alpine conditions.

Does the trail intersect other well-known 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% of the route).

Where does the trail start and where can I park?

The Lost Man Loop Trail has two trailheads, one at each end of the semi-loop. Parking is available at both. Due to the recommendation for a car shuttle to avoid walking along Highway 82, you would typically park one car at the lower trailhead and drive the other to the upper trailhead to begin your hike, or vice-versa.

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