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Ross Dam is a 540-foot (160 m)-high, 1,300-foot (400 m)-long concrete thin arch dam across the Skagit River, forming Ross Lake. The dam is in Washington state , while Ross Lake extends 23 miles (37 km) north to British Columbia , Canada .
Ross Lake, formed by Ross Dam extends into British Columbia, which is 20 miles upriver from the dam. Ross Lake National Recreation Area surrounds the lake. Construction of Gorge Dam began in 1921 and the first power was delivered to Seattle in 1924. The cost of the dam was $13 million ($153,339,181 in 2006 dollars). [6]
Ross Lake is a large reservoir in the North Cascade mountains of northern Washington state, United States, and southwestern British Columbia, Canada.The lake runs approximately north–south, is 23 miles (37 km) long, up to 1.5 miles (2.5 km) wide, and the full reservoir elevation is 1,604 feet above sea level (489 m).
The largest dam in Washington, in terms of structural volume, reservoir capacity, and electricity production, is the Grand Coulee Dam on the Columbia River. It is the largest power station in the United States with a nameplate capacity of 6,809 megawatts and one of the largest concrete structures in the world. [ 3 ]
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Ross Lake NRA follows the Skagit River corridor from the Canada–US border to the western foothills of the Cascades. The NRA contains a portion of scenic Washington State Route 20, the North Cascades Highway , and includes three reservoirs : 12,000-acre (4,900 ha) Ross Lake , 910-acre (370 ha) Diablo Lake , and 210-acre (85 ha) Gorge Lake.
The largest dam removal project in U.S. history has freed the Klamath River, inspiring hope among Indigenous activists who pushed for rewilding to help save salmon.
This geographical feature's toponym has been officially adopted by the U.S. Board on Geographic Names to honor James Delmage Ross (1872–1939), the superintendent of the Skagit River Hydroelectric Project. [5] [3] Ross Dam and Ross Lake also bear his name. Mount Ross was first climbed on August 17, 1969, by Jack Roper, Maurine Roper, and Jan ...