MATTOLE Click for CAHTO, EEL RIVER ATHABASKAN, or HUPA   Mattole Territory: North coastal California. Mattole Divisions: Mattole and Bear River Indians.   Portals .   Bear River Band of the Rohnerville Rancheria : part of whose membership is Mattole Loleta, California Mattole Population United States (2010) - 50 N A - D E N E