Upper Klamath Lake

Upper Klamath Lake (sometimes called Klamath Lake) (Klamath: ?ews, "lake" ) is a large, shallow freshwater lake east of the Cascade Range in south-central Oregon in the United States. The largest body of fresh water by surface area in Oregon, it is approximately long and wide and extends northwest from the city of Klamath Falls. It sits at an average elevation of .