Lake Edna
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| Lake Edna | |
|---|---|
 Lake Edna, Big Jim Mountain in the background | |
  Lake Edna  Lake Edna | |
| Location | Chelan County, Washington, United States |
| Coordinates | 47°39′25″N 120°54′44″W / 47.65694°N 120.91222°W |
| Basin countries | United States |
| Surface elevation | 6,755 ft (2,059 m)[1] |
Lake Edna is a freshwater lake located along Icicle Ridge, approximately 10 miles west of the city of Leavenworth in Chelan County, Washington. Because of its close proximity to Icicle Ridge Trail, the lake is a popular area for hiking, swimming, and fishing. Lake Alice is a short distance in a prominent cirque on the opposite side of Icicle Ridge.
Lake Edna sits on a highly glaciated and semibarren alpine basin, surrounded by heather and other wildflowers and a coniferous presence primarily larch pines.[2] Self-issued Alpine Lake Wilderness permit required for transit within the Lake Edna area.[3]
Along with neighboring lakes, Lake Edna was given its name by Albert Hale Sylvester, a topographer for the United States Geological Survey working throughout the North Cascades National Park Complex in the 1900s.[4]
Avalanche Lake is located in a hemiboreal climate,[5] part of the marine west coast climate zone of western North America,[6] which under the Köppen climate classification, a subtype for this climate is a "dry-summer subtropical" climate, often referred to as "Mediterranean".[7]
The average temperature is 2 °C. The warmest month is August, with an average temperature of 16 °C, and the coldest month is January, at an average of −5 °C. The average rainfall is 1687 millimeters per year. The wettest month is December, with 233 millimeters of rain, and the least in July, with 28 millimeters of rain.[8]
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