The Confederated Tribes of the Chehalis Reservation is a federally recognized tribe of Upper and Lower Chehalis, Klallam, Muckleshoot, Nisqually, and Quinault peoples. They are one of the Northern Straits branch Central Coast Salish peoples of indigenous peoples of the Northwest Coast. Their tribe is located in southwest Washington. The Confederated Tribes' traditional territories were along the Black, Chehalis, Cowlitz, , Johns, Newaukum, Satsop, Shookumchuck, and Wynoochee Rivers, and near Grays Harbor and on the lower Puget Sound of Washington.