Are dogs allowed on Diablo Lake Trail?

Yes, dogs are allowed on Diablo Lake Trail but must be kept on a leash at all times. Pack out waste and respect wildlife.

Do I need a permit to hike Diablo Lake Trail?

No, Diablo Lake 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 Diablo Lake Trail?

Diablo Lake Trail is rated difficult. It is 7.5 miles long with 2,871 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.

Is Diablo Lake Trail suitable for kids?

Diablo Lake 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

DifficultOut and Back

North Cascades National Park/Washington

Diablo Lake Trail

Marblemount, Washington

7.5 mi

Distance

2,871 ft

Elev. Gain

3h 16m

Est. Time

Out & Back

Route Type

Difficult

Difficulty

About This Trail

Imported description

The trail takes you through interesting landscapes including rainforest like vegetation and rocky fields, as well as the Skagit River. There is a trail that leads along the top of a gorge to look down at the lake. The dam is visible at the end of the trail. The trail has different vegetation which keeps things interesting despite it not having the most beautiful views.

From Wikipedia

Diablo Lake is a reservoir in the North Cascade mountains of northern Washington state, United States. Created by Diablo Dam, the lake is located between Ross Lake and Gorge Lake on the Skagit River at an elevation of 1,201 feet (366 m) above sea level. Diablo Lake is part of the Skagit River Hydroelectric Project and managed by Seattle City Light.

Source: Wikipedia — text licensed CC BY-SA 4.0. Verify trail conditions and seasonal closures with the managing agency before you go.

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.

Elevation Profile

Min:372 ft

Max:621 ft

875 ft

Trail Details

Dogs on leash

Route Type: Out & Back
Surface: Dirt

Official sources & verification

Managed by United States Forest Service

Verify before you go

Verify by phone or mail

Address:WA

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