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The Umatilla River is an 89-mile (143 km) tributary of the Columbia River in northern Umatilla County, Oregon, United States. [4] Draining a basin of 2,450 square miles (6,300 km 2 ), it enters the Columbia near the city of Umatilla in the northeastern part of the state. [4] In downstream order, beginning at the headwaters, major tributaries of ...
Website. www .co .umatilla .or .us. Umatilla County ( / ˌjuːməˈtɪlə /) is one of the 36 counties in the U.S. state of Oregon. The population of 81,826 ranks it as the 14th largest in Oregon, and largest in Eastern Oregon. [1] Hermiston is the largest city in Umatilla County, but Pendleton remains the county seat. [2]
Lake Umatilla. / 45.71750°N 120.69389°W / 45.71750; -120.69389. Lake Umatilla is a 110-mile (177 km) long [1] reservoir on the Columbia River in the United States, between the U.S. states of Washington and Oregon. It was created in 1971 with the construction of John Day Dam, and stretches upstream to the McNary Dam.
Website. Umatilla NWR. The Umatilla National Wildlife Refuge is located on and around the Columbia River about 15 miles (24 km) northwest of Hermiston, Oregon and includes 8,907 acres (3,605 ha) in Oregon, and 14,876 acres (6,020 ha) in Washington. [2] It was established in 1969 to help mitigate habitat lose due to the flooding that occurred ...
Annual generation. 5,170 GWh [1] [2] McNary Dam is a 1.4-mile (2.2-km) long concrete gravity run-of-the-river dam which spans the Columbia River. It joins Umatilla County, Oregon with Benton County, Washington, 292 miles (470 km) upriver from the mouth of the Columbia. [3] It is operated by the U.S. Army Corps of Engineers ' McNary Lock and Dam ...
Primary recreational activities in the North Fork Umatilla Wilderness include hiking, camping, hunting, fishing, and horseback riding. The North Fork of the Umatilla River is designated catch and release only. There is a 27-mile (43 km) hiking trail system, which opens up early in the season due to the low elevation of the Wilderness.
2412127 [2] Website. www.umatilla-city.org. Umatilla ( / ˌjuməˈtɪlə /, YOO-mə-TIL-ə) is a city in Umatilla County, Oregon, United States. The population in 2010 was 6,906, but the city's population includes approximately 2,000 inmates incarcerated at Two Rivers Correctional Institution. [5]
45°43′32″N 118°11′19″W. / 45.72556°N 118.18861°W / 45.72556; -118.18861. [1] • elevation. 2,326 ft (709 m) [1] The North Fork Umatilla River is a tributary of the Umatilla River in Union and Umatilla counties in the U.S. state of Oregon. [1] Its headwaters lie in the Umatilla National Forest in the Blue Mountains of ...