Satsop Tribe Leave a Comment / Native American, Washington / September 2, 2011 Last Updated on February 11, 2012 by DennisSatsop Indians. A Salish division on Satsop River, emptying into Chehalis River, Washington. Usually classed under the collective term Lower Chehalis. Topics:Salishan Family, Satsop,Collection:Hodge, Frederick Webb, Compiler. The Handbook of American Indians North of Mexico. Bureau of American Ethnology, Government Printing Office. 1906.