The Wallowa Mountains are a mountain range located in 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...

 of 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...

. The range runs approximately 40 mi (64 km) northwest to southeast in southwestern 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...

 between the Blue Mountains

Blue Mountains (Oregon)

The Blue Mountains are a mountain range in the western United States, located largely in northeastern Oregon and stretching into southeastern Washington...

 to the west and 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...

 to the east. The range is sometimes considered to be an eastern spur of the Blue Mountains. The area is called the "Alps

Alps

The Alps is one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east through Italy, Switzerland, Liechtenstein and Germany to France in the west....

 of Oregon".

Much of the range is designated as the Eagle Cap Wilderness Area, part of the Wallowa–Whitman National Forest.