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The John Day River passing by Sheep Rock in the John Day Fossil Beds National Monument. The John Day River is a tributary of the Columbia River, approximately 284 miles (457 km) long, in northeastern Oregon in the United States. It is known as the Mah-Hah River by the Cayuse people. Undammed along its entire length, the river is the fourth ...
The John Day River is a tributary of the Columbia River, approximately 6 miles (10 km) long, in northwestern Oregon in the United States. The river rises in the Northern Oregon Coast Range in Clatsop County [ 4 ] at 46°08′20″N 123°42′17″W / 46.138889°N 123.704722°W / 46.138889; -123.704722 ( John Day River
North Fork of the John Day River. Type: Public, state: Location: Umatilla County, Oregon: Nearest city: Pendleton: Coordinates 1] Operated by: Oregon Parks and ...
John Day River (Oregon) Willow Creek (Oregon) Rhea Creek; Hinton Creek; Umatilla River (Oregon) McNary Dam and Lake Wallula (Washington, Oregon) Walla Walla River (Washington, Oregon) Touchet River (Washington) Snake River (Washington, Oregon, Idaho, Wyoming; see below for sub-tributaries) Yakima River (Washington; see below for sub-tributaries)
Overview of Oregon river drainage basins. This is a partial listing of rivers in the state of Oregon, United States.This list of Oregon rivers is organized alphabetically and by tributary structure.
Most of Grant County is drained by the four forks of the John Day River, all of which have their headwaters in the county. The John Day River system drains some 7,900 square miles (20,000 km 2). It is the third longest free-flowing river in the "lower 48" and has more miles of federal "Wild and Scenic River" designation than any other river in ...
John Day Rapids: Located between river mile 216 and 218, near the mouth of the John Day River and consisting of two main rapids: the Lower John Day Rapids, at 11] and the Upper John Day Rapids, at The Army Corps of Engineers made efforts to improve navigation at the rapids.
John Day Dam is located 28 miles (45 km) east of the city of The Dalles, Oregon, and just below the mouth of the John Day River. The closest town on the Washington side is Goldendale, 20 miles (32 km) north. The closest town on the Oregon side is Rufus. The dam's crest elevation is approximately 570 feet (170 m) above sea level.