Lake Billy Chinook is a reservoir in Jefferson County, Oregon. Created by the Round Butte Dam in 1964, Lake Billy Chinook lies in a canyon at the confluence of the Crooked, Deschutes (da - SHOOTS) , and Metolius (ma TOLE ee us) rivers near Culver and Madras. It was named for Billy Chinook, a Native American of the Wasco tribe who traveled alongside American explorers John C. Frémont and Kit Carson in their expeditions of 1843 and 1844.

From this area you can see the prominent mountains of the Oregon Cascades in the distance.