Minam Lake | |
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![]() Minam Lake | |
Location | Wallowa Mountains, Wallowa County, Oregon |
Coordinates | 45°10′56″N117°21′01″W / 45.18222°N 117.35028°W Coordinates: 45°10′56″N117°21′01″W / 45.18222°N 117.35028°W |
Type | Oligotrophic reservoir |
Primary outflows | Minam River and Lostine River |
Catchment area | 0.8 square miles (2.1 km2) |
Basin countries | United States |
Surface area | 59 acres (24 ha) |
Average depth | 10 feet (3.0 m) |
Max. depth | 28 feet (8.5 m) |
Water volume | 500 acre-feet (620,000 m3) |
Residence time | 5 months |
Shore length1 | 1.6 miles (2.6 km) |
Surface elevation | 7,379 feet (2,249 m) |
References | [1] [2] [3] |
1 Shore length is not a well-defined measure. |
Minam Lake is a high-elevation reservoir in the Eagle Cap Wilderness of the Wallowa Mountains in the U.S. state of Oregon. [1] The unusual reservoir, a modified natural lake, has outlets on both its north and south ends. The south outlet drains to the Minam River, and the north outlet is the source of the Lostine River. [3]
A natural lake at this spot had only a south outlet. In the early 20th century, the lake was enlarged, and its flow altered by a 14-foot (4.3 m) high dam near the south end of the lake. The dam's purpose was to store additional water and to deflect it north for irrigation of farms in the Lostine Valley. [3]
It is said that minam is a word that evolved in the mid-19th century from the native word e-mi-ne-mah. The latter referred to the Minam River Valley, where a kind of plant with edible roots grew in abundance. Mah was a suffix meaning valley or canyon. [4]
The McKenzie River is a 90-mile (145 km) tributary of the Willamette River in western Oregon in the United States. It drains part of the Cascade Range east of Eugene and flows westward into the southernmost end of the Willamette Valley. It is named for Donald McKenzie, a Scottish Canadian fur trader who explored parts of the Pacific Northwest for the Pacific Fur Company in the early 19th century. As of the 21st century, six large dams have been built on the McKenzie and its tributaries.
The Wallowa Mountains are a mountain range located in the Columbia Plateau of northeastern Oregon in the United States. The range runs approximately 40 miles (64 km) northwest to southeast in southwestern Wallowa County and eastern Union County between the Blue Mountains to the west and the Snake River to the east. The range is sometimes considered to be an eastern spur of the Blue Mountains, and it is known as the "Alps of Oregon". Much of the range is designated as the Eagle Cap Wilderness, part of the Wallowa–Whitman National Forest.
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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. Minam is approximately 20 miles (32 km) Northeast of La Grande.
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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. A boundary revision in 1972 added 73,000 acres (30,000 ha) and the Wilderness Act of 1964 added 66,100 acres (26,700 ha) resulting in a current total of 361,446 acres, making Eagle Cap by far Oregon's largest wilderness area.
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Sacajawea Peak is a peak in the Wallowa Mountains, in the U.S. state of Oregon. It is in the Eagle Cap Wilderness and the Wallowa–Whitman National Forest.
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