WENATCHI WENATCHEE - WENATCHAPAM - WINATSHIPUM - PSQUOSA: Click for SINKIUSE   Wenatchi Territory: North central Washington State. Wenatchi Divisions: Wenatchi, Entiat, and Chelan.   Portals .   Confederated Tribes of Colville Reservation : part of whose membership is Wenatchi Nespelem, Washington #32 Wenatchi Population United States (2010) - 700 S A L I S H INTERIOR PISCHOUS