Are dogs allowed on Red Mountain via Old Commonwealth Trail?

Yes, dogs are allowed on Red Mountain via Old Commonwealth Trail but must be kept on a leash at all times. Pack out waste and respect wildlife.

Do I need a permit to hike Red Mountain via Old Commonwealth Trail?

No, Red Mountain via Old Commonwealth Trail does not currently require a permit. Still check for seasonal closures or day-use fees with the managing agency before heading out.

How difficult is Red Mountain via Old Commonwealth Trail?

Red Mountain via Old Commonwealth Trail is rated difficult. It is 5.9 miles long with 3,022 feet of elevation gain. Difficulty ratings reflect a combination of distance, elevation gain, and terrain — your experience will depend on your fitness level and trail conditions.

What is the best season to hike Red Mountain via Old Commonwealth Trail?

Red Mountain via Old Commonwealth Trail is best hiked in summer and fall. Conditions vary year to year — check the trail status and weather forecast before your visit.

Is Red Mountain via Old Commonwealth Trail suitable for kids?

Red Mountain via Old Commonwealth Trail is not typically recommended for young children due to length, exposure, or technical terrain. Older kids with hiking experience may be fine — use your judgment based on your family's comfort level.

Status unknown — verify before visiting

We don't have current condition data for this trail. Check with the land manager before you go.

See Washington trail conditions

Red Mountain via Old Commonwealth Trail route map

DifficultOut and Back

Snoqualmie National Forest/Washington

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

The Red Mountain via Old Commonwealth Trail is a challenging 5.9-mile out-and-back hike located in the Snoqualmie National Forest near Snoqualmie Pass, Washington. The trail ascends steeply with an elevation gain of 3,022 feet, reaching a maximum elevation of 1,751 meters. Hikers can expect a dirt trail surface, typical of backcountry routes, with scenic views indicative of alpine environments. This trail offers a strenuous workout and is best suited for experienced hikers due to its significant elevation changes and potentially hazardous conditions associated with mountainous terrain.

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.

No recent condition reports. Be the first to share what you see on the trail.

Hazards & Warnings

steep elevation gainpotential loose footingweather exposure

Elevation Profile

Min:938 ft

Max:1,751 ft

921 ft

Trail Details

Dogs on leash

Route Type: Out & Back
Surface: Dirt

Official sources & verification

Managed by United States Forest Service

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Managing agency

United States Forest Service
Find offices, alerts, and current orders for this agency.

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Address:WA

Best Seasons

Summer Fall

Highlights

scenic viewsforest settingmountainous terrain

Reviews

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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.

Hunt context