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Guanella Pass, Rosalee Trail, Abyss Lake route map
Difficulty: DifficultOut and Back

Guanella Pass, Rosalee Trail, Abyss Lake

Dillon, Colorado

11.6 mi

Distance

2,385 ft

Elev. Gain

5h 3m

Est. Time

Out & Back

Route Type

Difficult

Difficulty

About This Trail

Guanella Pass, Rosalee Trail, Abyss Lake is an out-and-back trail in Arapaho National Forest, managed by the United States Forest Service, in Clear Creek County, Colorado. It is 12 miles long and gains 2,385 feet. The nearest town is Silver Plume, Colorado, about 7 miles away in a straight line.

From the trail data on this page. For conditions and closures, see official sources.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

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Elevation Profile

Min:3,318 ft
Max:3,599 ft
Gain:727 ft
Loss:727 ft
Elevation profileA line rising and falling between 3,318 ft and 3,599 ft across 11.6 mi along the route, drawn from start to end.3,318 ft3,412 ft3,505 ft3,599 ft0.0 mi2.9 mi5.8 mi8.7 mi11.6 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi3,554 ft
High point0.9 mi3,599 ft
End11.6 mi3,554 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Managed by United States Forest Service

Verify before you go

Managing agency

Where it is

Nearest town:
Silver Plume, CO · about 7 mi away
County:
Clear Creek County, CO
Jurisdiction:
Arapaho National Forest · United States Forest Service

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: May 23, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

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Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

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