The Chupcan, a Bay Miwok tribelet, held territory northwest of Mt. Diablo. Clayton and Concord are in former Chupcan territory.
Donner Creek2 bedrock mortars and 3 anvils on rock beside Donner Creek.We got a tip on this one from a reader of Native American Indian Sites in the East Bay Hills. Hiking to Donner Falls is a great way to spend a winter day. Stop and visit this little camp on the way.
Keller RanchTwo portable stone mortars incorporated into the ranch house foundation, which was constructed on an extensive midden deposit.Elevation 393 ft.A major Chupcan village occupied this area at the confluence of Donner, Mitchell, and Diablo Creeks.One of the portable mortars in the ranch house foundation.Obsidian debitage picked up from the ground surface around the ranch […]