 The Plains and Sierra Miwok traditionally lived in the western Sierra Nevada between the Fresno River and Cosumnes River, in the eastern Central Valley of California, and in the northern Sacramento–San Joaquin River Delta region at the confluences of the Cosumnes River, Mokelumne River, and Sacramento River.In the present day, many Sierra Miwok live in or close to their traditional territories and Indian rancherias, including at