The White River Amphitheatre is a state-of-the-art outdoor music center opened June 2003. It will serves the Seattle/Tacoma area. Home to the Muckleshoot Reservation, White River is situated between the majestic Cascade and Olympic mountain ranges, with Mt. Rainier on the horizon. With its scenic views and lush landscape, the White River Amphitheatre is an experience you won't soon forget.