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30,849 cu ft/s (874 m 3 /s) The Willamette Falls is a natural waterfall on the Willamette River between Oregon City and West Linn, Oregon, in the United States. It is the largest waterfall in the Northwestern United States by volume, and the seventeenth widest in the world. [1] Horseshoe in shape, it is 1,500 feet (460 m) wide and 40 feet (12 m ...
Celilo Falls ( Wyam, meaning "echo of falling water" or "sound of water upon the rocks," in several native languages) was a tribal fishing area on the Columbia River, just east of the Cascade Mountains, on what is today the border between the U.S. states of Oregon and Washington. The name refers to a series of cascades and waterfalls on the ...
The Willamette River ( / wɪˈlæmɪt / ⓘ wil-AM-it) is a major tributary of the Columbia River, accounting for 12 to 15 percent of the Columbia's flow. The Willamette's main stem is 187 miles (301 km) long, lying entirely in northwestern Oregon in the United States.
Installed capacity. 391 MW. Annual generation. 2,051.3 GWh. Columbia River Basin dams. Hells Canyon Dam is a concrete gravity dam in the western United States, on the Snake River in Hells Canyon along the Idaho - Oregon border. At river mile 247, the dam impounds Hells Canyon Reservoir; its spillway elevation is 1,680 feet (512 m) above sea level .
June 30, 1987 [5] Bonneville Lock and Dam / ˈbɒnəvɪl / consists of several run-of-the-river dam structures that together complete a span of the Columbia River between the U.S. states of Oregon and Washington at River Mile 146.1. [6] The dam is located 40 miles (64 km) east of Portland, Oregon, in the Columbia River Gorge.
The focus of the park is the falls where wild and scenic White River plunges 90 feet (27 m) from a basalt shelf. At the base of the falls are the ruins of a hydropower plant which supplied electricity to north central Oregon from 1910 to 1960. The falls are located at river mile (RM) 3 of the White River which flows into the Deschutes at RM 46.5.
6,180 GWh [1] The Dalles Lock and Dam is a concrete-gravity run-of-the-river dam spanning the Columbia River, two miles (3 km) east of the city of The Dalles, Oregon, United States. [2] It joins Wasco County, Oregon with Klickitat County, Washington, 192 miles (309 km) upriver from the mouth of the Columbia near Astoria, Oregon.
In 1890, the Grants Pass Power Supply Company had built a log dam 12 feet (3.7 m) high, across the river near the city. Salmon could pass the dam during high water, but most were blocked: "For half a mile below the dam, the river was crowded with fish throughout the summer."