The Wallowa River is a tributary of the Grande Ronde River

Grande Ronde River

The Grande Ronde River is a tributary of the Snake River, long, in northeastern Oregon and southeastern Washington in the United States. It drains an area southeast of the Blue Mountains and northwest of the Wallowa Mountains, on the Columbia Plateau...

, approximately 55 miles (88.5 km) long, in northeastern Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It drains a valley on the Columbia Plateau

Columbia Plateau

The Columbia Plateau is a geologic and geographic region that lies across parts of the U.S. states of Washington, Oregon, and Idaho. It is a wide flood basalt plateau between the Cascade Range and the Rocky Mountains, cut through by the Columbia River...

 in the northeast corner of the state north of Wallowa Mountains

Wallowa Mountains

The Wallowa Mountains are a mountain range located in the Columbia Plateau of northeastern Oregon in the United States. The range runs approximately 40 mi northwest to southeast in southwestern Wallowa County between the Blue Mountains to the west and the Snake River to the east. The range is...

. It rises in southern Wallowa County

Wallowa County, Oregon

Wallowa County is a county located in the U.S. state of Oregon. It is included in the 8 county definition of Eastern Oregon. According to Oregon Geographic Names, the origins of the county's name are uncertain, with the most likely explanation being that it is derived from the Nez Perce term for a...

, in the Wallowa Mountains in the Eagle Cap Wilderness

Eagle Cap Wilderness

Eagle Cap Wilderness is a wilderness area located in the Wallowa Mountains of northeastern Oregon , within the Wallowa–Whitman National Forest. The Wilderness was established in 1940. In 1964, it was included in the National Wilderness Preservation System...

 of the Wallowa–Whitman National Forest. It flows generally northwest through the Wallowa Valley, past the communities of Joseph

Joseph, Oregon

Joseph is a city in Wallowa County, Oregon, United States. Originally named Silver Lake and Lake City, in 1880 the city formally named itself for Nez Perce Chief Joseph. The population was 1,054 at the 2000 census.- History :...

, Enterprise

Enterprise, Oregon

Enterprise is a city in and the county seat of Wallowa County, Oregon, United States. The population was 1,895 at the 2000 census, with an estimated population of 1,940 in 2007.- History :...

, and Wallowa

Wallowa, Oregon

Wallowa is a city in Wallowa County, Oregon, United States. The population was 869 at the 2000 census.-History:Wallowa was platted in 1889. Wallowa is a Nez Perce word describing a triangular structure of stakes that in turn supported a network of sticks called lacallas to form a fish trap. The Nez...

. It receives the Minam River

Minam River

The Minam River is a tributary of the Wallowa River, long, in northeastern Oregon in the United States. It drains a rugged wilderness area of the Wallowa Mountains west of La Grande....

 from the south at the hamlet of Minam

Minam, Oregon

Minam is an unincorporated community in northwestern Wallowa County, Oregon, United States. It is located at the confluence of the Minam and Wallowa rivers, north of the Wallowa Mountains on Oregon Route 82...

, then flows north another 10 miles (16.1 km) to join the Grande Ronde along the Wallowa–Union

Union County, Oregon

Union County is a county located in the U.S. state of Oregon. It is included in the 8 county definition of Eastern Oregon. The county is named for the town of Union, which is located within its boundaries; in 2010, the county population was 25,748. The county seat is La Grande.-History:Union County...

 county line approximately 10 miles (16.1 km) north-northeast of Elgin

Elgin, Oregon

Elgin is a city in Union County, Oregon, United States. The population was 1,654 at the 2000 census. The 2007 estimate is 1,685 residents. The community is named after the Lady Elgin, a ship lost on Lake Michigan....

 and about 81 miles (130.4 km) from the larger river's confluence with the Snake River

Snake River

The Snake is a major river of the greater Pacific Northwest in the United States. At long, it is the largest tributary of the Columbia River, the largest North American river that empties into the Pacific Ocean...

.

The Wallowa Valley was home to Chief Joseph

Chief Joseph

Hin-mah-too-yah-lat-kekt, popularly known as Chief Joseph, or Young Joseph was the leader of the Wal-lam-wat-kain band of Nez Perce during General Oliver O. Howard's attempt to forcibly remove his band and the other "non-treaty" Nez Perce to a reservation in Idaho...

's band of the Nez Perce Tribe. Chief Joseph asked the first white settlers to leave when they arrived in 1871. The government expelled the tribe in 1877, when non-Indian farmers and ranchers wanted to settle the fertile Wallowa valley.

Fish

The Wallowa River supports populations of steelhead, spring chinook

Chinook salmon

The Chinook salmon, Oncorhynchus tshawytscha, is the largest species in the pacific salmon family. Other commonly used names for the species include King salmon, Quinnat salmon, Spring salmon and Tyee salmon...

 salmon, and mountain whitefish

Mountain whitefish

The mountain whitefish is one of the most widely distributed salmonid fish of western North America. It is found from the Mackenzie River drainage in Northwest Territory, Canada south through western Canada and the northwestern USA in the Pacific, Hudson Bay and upper Missouri River basins to the...

 among other species. Sockeye salmon were extirpated from the Wallowa River when a small dam was constructed at the outlet of Wallowa Lake in the headwaters of the river. The dam was constructed to raise the level of the lake to store water for irrigation.