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Ross Dam Trail

North Cascades


North Cascades -- North Cascades Highway - Hwy 20
View map below


1.6 miles, roundtrip


Gain: 500 ft.
Highest Point: 2100 ft.


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Parking Pass/Entry Fee


This forested trail in the North Cascades National Park Complex leads down to Ross Lake and the network of trails in the Ross Lake National Recreation Area.

Look out over both Ross Lake and Ross Dam before making your way down to Ross Dam itself. The dam is part of the Skagit River Hydroelectric Project which supplies approximately 20% of the power requirements for Seattle City Light.

The Ross Dam Trail is often used to access Big Beaver Trail. While leashed dogs are permitted within the Ross Lake National Recreation Area, non-service animals are NOT allowed in the national park complex except on the Pacific Crest Trail. 


Ross Dam Trail

Map & Directions

Co-ordinates: 48.7278, -121.0628 Open map in new window


North Cascades -- North Cascades Highway - Hwy 20

Ross Dam Trail (#)

North Cascades National Park

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Guidebooks & Maps

Ross Lake National Recreation Area PDF Map:

Buy the Green Trails Diablo Dam No. 48 map

Getting There

From Newhalem, go east on State Route 20 for 14.0 miles to the trailhead parking on the right (between milepost 134 and 135). The trailhead has parking for 4 cars plus two ADA parking spots. The trailhead is only 0.5 mile beyond the western winter closure gate for State Route 20, making this a viable trip even in winter.

Parking Pass/Entry Fee


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Ross Dam Trail

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