High Lonesome Loop Hiking Route

15.2 miles

Distance

3,267 ft

Climb

-3,266 ft

Descent

2 miles

High Point

2 ft

Altitude change

9,001 ft

Altitude min

9,001 ft

Altitude start

9,003 ft

Altitude end

-62.7%

Grade max

56.1%

Grade min

8 miles

Distance climb

7 miles

Distance down

1 mile

Distance flat

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Detailed Description

High Lonesome Loop is a 15 mile less popular intermediate route located near Nederland Colorado. This hike primary route and has a hard overall physical rating. This route includes 3 trails. This route climbs 3,267 ft with a max elevation of 11,972 ft then descends -3,266 ft.

Trail Issues on Route

Minor Issue / Yellow: 1 trail (newest: Jun 12, 2022)

Route Supporters

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Local Trail Association

Greater Nederland Area Riders (gnarmtb.org)

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Stats

Distance

15 miles
Avg time

3 hr 57 min
Altitude min

9,001 ft
Altitude start

9,001 ft
Altitude end

9,003 ft
Climb

3,267 ft
Descent

-3,266 ft
Grade max

-62.7%
Grade min

56.1%
Distance climb

8 miles
Distance down

7 miles
Distance flat

1 mile

Comments

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Trails in Route

	King Lake				5 miles
	Devils Thumb				4 miles
	Devils Thumb Bypass				3 miles

Details

Riding area

Indian Peaks Wilderness
Primary Activity

Hike
Other Activities
- Horse
- Trail Running
- Snowshoe
Difficulty rating

Blue
Route Type

Loop
eBike Allowed

No
Physical rating

Hard

Directions

Walk north on Devils Thumb Bypass.
Continue for 2 kilometers.
Keep left to take King Lake.
Continue for 700 meters.
Turn left to stay on King Lake.
Continue for 7 kilometers.
Bear right onto High Lonesome.
Continue for 4 kilometers.
Keep right to take Devils Thumb.
Continue for 7 kilometers.
Bear left onto Devils Thumb Bypass.
Continue for 4 kilometers.

status	trail	date	condition	description
	Devils Thumb Bypass	Aug 24, 2025 @ 6:45am Aug 24, 2025
	Devils Thumb	Jun 12, 2022 @ 11:46am Jun 12, 2022		There is a lot of snow as you get close to the Jasper Lake travel zone, in the 2'-4' range and drifts up to 10' to 15'. There were limited campsites at Jasper lake because most of it was snow covered. Runoff was high and it turned the trail into a small river with about 2"-6" in depth. We did try to go to devils thumb lake, but turned back because of snow. Would have been better with snow shoes. There was one downed tree on the trail that was blocking the trail.