Talapus Lake is a freshwater lake located on a prominent valley at the eastern skirt of Bandera Mountain,[1] in King County, Washington.

[4] Mount Defiance and Pratt Mountain are a short distance to the west of Talapus Lake.

The name Talapus is a Chinook word for coyote.

Because of its proximity to Snoqualmie Pass and other prominent peaks in the Alpine Lakes Wilderness,[6] the lake is a popular area for hiking, swimming, and fishing rainbow trout.

[2] Access to the lake is from Talapus Lake trail or Pratt Lake trail further east, a short exit from Interstate 90, west of the Snoqualmie Pass.