Long Canyon and Marsh Creek36 bedrock mortars, 29 on one rock.The location of this site near the mouth of Hog Canyon meant that this was a “gatehouse” settlement guarding one of the principal routes into the Volvon heartland. This was one of the bedrock mortar sites known to early 20th century Contra Costa County historians.This […]
Clayton Ranch Alignment75 yard long curving stacked rock alignment.Elevation 1552 ft.Although the nearby tsektsel suggests this alignment might have had religious or spiritual significance for the Volvons, it’s possible the alignment functioned as a hunting blind.Another view of the alignment emphasizing its curvature. Bob is sitting within the confines of a stacked rock rectangle attached […]
Lower Village Upper Overlook2 bowl bedrock mortars on a rock on Louise’s Shelf.Clyma orchard visible in the background.What was this huge mortar with the recessed rim used for? Was its position on the edge of this rock significant? Eliminate the scrub oak growing up from the rocks below, and you have a dead on view […]
Greenhill Ranch, aka The Green RanchElevation 2,440 ft.We call Greenhill Ranch the “Shaman’s Redoubt” because we think it likely that shamen worshipping on Mt. Diablo used this beautiful site as a camp/staging area. In 1938-9 William Wurster, later to become Dean of the Architecture Department at Cal Berkeley (Wurster Hall is named for him), designed […]
Manzanita Trail11 bedrock mortars and slick.Elevation 1700 ft.Looking at the camp from near the trail.The relative remoteness from water suggests this may have been a seasonal camp, but who knows?That’s Manzanita trail in the background.A pair of mortars in a natural depression.Photograph by Bob Bardell.
Below Rock City12 bedrock mortars on a nice shelfElevation 1567 ft.We found two milling stations at this site, which lies on the north side of the north fork of Sycamore Creek just off the Trail Through Time. Its proximity to the Rock City parking lot and its relative seclusion commend it as a fine picnic […]
Los Meganos State Historic Park2 bedrock mortars and two anvilsElevation 230 ft.These mortars sit near Briones Creek in the hills behind John Marsh’s house. We wouldn’t have looked for mortars or even hiked here if Joel had not made an initial reconnaissance of this area.Bob looks toward the mountain and its subsidiary peaks. The Briones […]