Ross Dam, Hydroelectric arch dam in Whatcom County, United States.
Ross Dam extends 396 meters across the Skagit River, creating Ross Lake that reaches 23 miles north into British Columbia, Canada.
The construction of Ross Dam started in 1937 under the name Ruby Dam, reaching its final height of 540 feet in 1949 through multiple building phases.
The dam operates within Ross Lake National Recreation Area, forming part of North Cascades National Park Complex while providing power for Seattle residents.
The Ross Dam Trail stretches 1.6 miles round trip with 500 feet elevation gain, offering access points to both the dam structure and Ross Lake.
The power station generates over 600 million kilowatt-hours annually through two spillways that can release more than 127,000 cubic feet of water per second.
Location: Whatcom County
Length: 396 m
Part of: Skagit River Hydroelectric Project
GPS coordinates: 48.73200,-121.06760
Latest update: May 11, 2025 07:26
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