Wasco Lake is a glacially formed alpine lake located in Jefferson County, Oregon, United States. A part of the Mount Jefferson Wilderness Area, Wasco Lake is a popular hiking destination and can be accessed via the Pacific Crest Trail.
In 2003, the devastating B&B Complex Fire hit the area of Wasco Lake.
Wasco Lake is located at an elevation of on the eastern slope of Three Fingered Jack in the Cascade Mountain Range and is a part of the Mount Jefferson Wilderness Area.