Above Mission Peak Meadow
Mortar Count: 2
Open
Blue Rock Springs Park — North
Blue Rock Springs Park — South
Chinese Tree of Heaven
Mortar Count: 18
Open
Los Vaqueros Log Cabin Village
Mortar Count: 60
Open
Mid-Walpert Village
Mortar Count: 32
Open
North Knoll, Chinese Tree of Heaven
Mortar Count: 12
Open
Observation Hill
Rockville Trails Village
Mortar Count: 34
Open
Rocky Ridge
Mortar Count: 10
Open
South Mission Peak
Southern Rocky Ridge
Mortar Count: 14
Open
Stone Corral
Mortar Count: 33
Open
Sunol Ridge, North of Prayer Circle
Sunol Ridge, South of Prayer Circle
Volmer Peak Rock Wall
Walpert Ridge Lookout
Mortar Count: 19
Open
White Hill

Feature: Rock Wall

NorthKnollCTH

North Knoll, Chinese Tree of Heaven

North Knoll, Chinese Tree of Heaven12 bedrock mortars, probable housepitsA crudely stacked rock wall protects a small campsite.One should secure permission before visiting this site.

WhiteHillWall

White Hill

White Hillsttacked rock walls forming an obtuse angle.Elevation 1128 ft.The park ranger who checked up on us while we were exploring the wall claimed the original land grantee had Indian laborers construct it. “The Miwok didn’t build walls,” he assured us. The wall marks part of the boundary between the San Geronimo and Punta de […]

CDO2

Observation Hill

Observation HillOval rock wall surrounding a flattened hilltop.Elevation 1191 ft.Observation Hill was obliterated in 2012.Observation Hill offered breathtaking panoramic views. It was a real power spot.The top of Observation Hill.Photograph by Bob Bardell.Volume 2 of the Draft Environmental Impact Report for the replacement of Calaveras Dam (a 563 page PDF) classified this stone wall as […]

RH5

Rockville Trails Village

Rockville Trails Village34 bedrock mortarsElevation 534 ft.The Solano Land Trust saved the Rockville Trails property, which includes this village, from being transformed into a massive housing development. Thank you.There are miles and miles of stacked rock walls in and around Rockville. One of these walls snakes over the hills in the center of this photograph.Heading […]

RockyRidgePestle

Rocky Ridge

Rocky Ridge10 bedrock mortars along an inspirational ridge line.Rock wall alignment.Elevation 1960 ft.Forget the bedrock mortars and rock wall. Hike up to Rocky Ridge for the views. Sunsets are particularly recommended.Looking south from near the headwaters of Kaiser Creek.A big chunk of the San Leandro Creek watershed spreads out to the west below the ridge.This […]

S-Mission-Peak-Rock-Wall1

South Mission Peak

South Mission PeakRock wall on the ridge between Mt. Allison and Mission Peak. Origin unknown.Many rock walls stand on the ridges and slopes between Mission Peak and Monument Peak (located just north of Ed Levin Park). Fly south from this site in Google Earth. Zoom in for a closer look. The walls are there all […]

MPM2

Above Mission Peak Meadow

Above Mission Peak MeadowTwo probable bedrock mortars, one pestle, rock alignments.Elevation 1761 ft.Jeff discovered these mortars a long time ago. We looked and looked but couldn’t locate them. Recently Jeff led an expedition here. The mortars look like they could have formed from rain or fog drip, but Doc Hale, our resident expert, gave them […]

RockyRidgeSouth

Southern Rocky Ridge

Southern Rocky Ridge14 bedrock mortars and a rock wall at the top of Crow Creek.Like the Rocky Ridge site, this one is near a probable tribelet boundary.A single track path passes through a rock alignment on the way to this site.

Blue Rock Springs Park — North

Blue Rock Springs Park — North Rock wall Elevation 695 ft. This wall reminds us of similar alignments on Mission Peak and in the South Bay. It runs, with breaks, nearly all the way to I-80. The barbed wire fence and rock wall coincide with each other. Were they constructed at the same time? Compare […]

LynxRufus

Stone Corral

Stone Corral33 bedrock mortars, prayer circle, 2 sets of double cupules, rock wall alignments, and hunting blinds.Elevation 1800 ft.What kind of animals would be constrained by this corral? We believe the stone corral was the site of Indian games and/or ceremonies. HIke up the ridge to the west and find the spot where you have […]