Question: What is the name of the 120 ft high waterfall in the land of the federally recognized native American tribe "Tsalagiyi Detsadanilvgi"?
Sentence (from "Upper Skagit Indian Tribe"): Before European colonization, the tribe occupied lands along the Skagit River, from as far downstream as present-day Mount Vernon, Washington, and villages going north as far as Newhalem along the Skagit River, as well as lands on the Baker, and the Sauk rivers.
Relevant evidence: No