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Hancock Pass, Alpine Tunnel, Williams Pass route map
Difficulty: DifficultLoop

Hancock Pass, Alpine Tunnel, Williams Pass

Sargents, Colorado

11.0 mi

Distance

2,657 ft

Elev. Gain

4h 39m

Est. Time

Loop

Route Type

Difficult

Difficulty

About This Trail

Hancock Pass, Alpine Tunnel, Williams Pass is a loop trail in San Isabel National Forest, managed by the United States Forest Service, in Chaffee County, Colorado. It is 11 miles long and gains 2,657 feet. The nearest town is Garfield, 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:3,368 ft
Max:3,702 ft
Gain:810 ft
Loss:810 ft
Elevation profileA line rising and falling between 3,368 ft and 3,702 ft across 11.0 mi along the route, drawn from start to end.3,368 ft3,479 ft3,591 ft3,702 ft0.0 mi2.8 mi5.5 mi8.3 mi11.0 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi3,372 ft
High point2.4 mi3,702 ft
End11.0 mi3,372 ft

Trail Details

Route Type
Loop

Official sources & verification

Managed by United States Forest Service

Verify before you go

Managing agency

Where it is

Nearest town:
Garfield, CO · about 7 mi away
County:
Chaffee County, CO
Jurisdiction:
San Isabel 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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