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Difficulty
This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
Moderate
Elevation
This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
390 m
Distance
This reflects the return distance of this route as measured by the GPS file.
7.4 km
Duration
This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
2.5-3.5h
User Ratings
These ratings are completed by users who have completed this trail and not subject to reviews by 10Adventures.
Intermediate (Square)
Suitable for intermediates who are ready for a little bit more adventure.
Physical DIFF
Easy (Circle)
Suitable for beginners, families, young children, and those looking for a casual adventure.
Technical DIFF
Directions to Trailhead

Lost Man Trail

Panorama of the Lost Man Trail hike in Aspen, Colorado
Measurement:

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Table of contents

This is another super high hike in the Colorado Rockies; however, access in on the high Independence Pass Highway reduces the elevation you have to gain yourself!

Route Description for Lost Man Trail

Find the beginning of the trail right at the nearly hairpin bend of the road’s switchback. Climb a short ways up to the Roaring Fork River. Once you reach a small plateau you will encounter a trail junction where you will keep right to head towards Independence Lake and the Lost Man Trail.

The trail will follow the Roaring Fork River as it ascends the beautiful, lightly wooded alpine valley. Depending on the season, you may be surrounded by gorgeous wildflowers. The views and peaks that surround you are sure to provide plenty of mental stimulation to keep you motivated.

Ahead of you is the imposing Geissler Mountain will fill the horizon, and on the right you will see Twinning Peak and its impressive, expansive ridges. After gaining a few false plateaus you will finally arrive at Independence Lake, at the far edge of the valley.

Continue hiking past the crystal blue lake and up the ridge to Lost Man Pass. From the pass you will be able to peer into the adjacent valley, and you’ll be able to look down to Lost Man Lake. The trail continues down the other way, but this is your endpoint for today. Return the way you came after enjoying the splendid views.

Insider Hints for Lost Man Trail

  • The Lost Man loop is a popular one night backpacking trip. It’s great if you are looking for a longer experience in the region.
  • Take care as this hike is at quite a high elevation. If you ever don’t feel well get to a lower elevation as quickly and as safely as possible.

Getting to the Lost Man Trail Trailhead

From Aspen, head east on Colorado 82 for 17.5mi. At the switchback before Independence Pass there’s a dirt pullout on the north (left) side of the road. There is an area for parking there. If you get to Independence Pass, you’ve gone one too far.

Route Information

  • When to do:

    Late June through September

  • Backcountry Campsites:

    In the National Forest Wilderness

  • Toilets:

    No

  • Family friendly:

    No

  • Route Signage:

    Average

  • Crowd Levels:

    Moderate

  • Route Type:

    Out and back

Lost Man Trail Elevation Graph

Weather Forecast

Check Area Weather

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