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Red Mountain via Old Commonwealth Trail route map
Difficulty: DifficultOut and Back

Red Mountain via Old Commonwealth Trail

Snoqualmie Pass, Washington

5.9 mi

Distance

3,022 ft

Elev. Gain

3h 21m

Est. Time

Out & Back

Route Type

Difficult

Difficulty

About This Trail

Red Mountain via Old Commonwealth Trail is an out-and-back trail in Snoqualmie National Forest, managed by the United States Forest Service, in King County, Washington. It is 5.9 miles long and gains 3,022 feet. The nearest town is Snoqualmie Pass, Washington, about 1 mile 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:938 ft
Max:1,751 ft
Gain:921 ft
Loss:921 ft
Elevation profileA line rising and falling between 938 ft and 1,751 ft across 5.9 mi along the route, drawn from start to end.938 ft1,209 ft1,480 ft1,751 ft0.0 mi1.5 mi2.9 mi4.4 mi5.9 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi938 ft
High point2.9 mi1,751 ft
End5.9 mi938 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:
Snoqualmie Pass, WA · in or next to town
County:
King County, WA
Jurisdiction:
Snoqualmie 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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