To the west of Madras is high desert terrain and the Cascade Mountain range. Warm Springs Indian Reservation is northwest via US 26. Rockhounding for thunder eggs, the state rock and agates is a popular activity, as is white-water rafting down the Deschutes River. Lake Billy Chinook, off US 97, offers water skiing and fishing opportunities. For a list of rockhounding locations and rafting operators contact the chamber of commerce. Learn More...