The Bear River Band of the Rohnerville Rancheria is a federally recognized tribe of Mattole and Wiyot people in Humboldt County, California. The Bear River Band is headquartered in Loleta, California. Their current tribal chairperson is Len Bowman Tribal enrollment is based on residency on the Rohnerville Rancheria from 1911 to 1960 or being a lineal descent of those residents. The Rohnerville Rancheria is a federally recognized rancher_ia in Humboldt County. The tribe's traditional territory was along the Mattole and Bear Rivers near Cape Mendocino. Wiyot people lived along the Little River down to the Bear River and 25 miles eastward.