4 housepits near Bear Gulch
9 Bedrock Mortars Near Sunol Regional Wilderness Interpretative Center
Mortar Count: 9
Open
Above Mission Peak Meadow
Mortar Count: 2
Open
Agua Caliente Creek
Mortar Count: 7
Open
Agua Caliente East
Mortar Count: 3
Open
ALA-60 at Crow Canyon Road and Castro Valley Boulevard
Mortar Count: 44
Open
Alameda/Calaveras Creek confluence
Mortar Count: 3
Open
Albany Hill
Mortar Count: 4
Open
Alpine Pond — Palo Alto
Mortar Count: 35
Open
Alvarado Park
Mortar Count: 2
Open
Alviso Adobe 38 cupule rock.
Below McClure Springs
Benica Quarry #1
Mortar Count: 5
Open
Benica Quarry #2
Mortar Count: 20
Open
Blue Rock Springs Park — North
Blue Rock Springs Park — South
Briggs Creek below Alma College
Mortar Count: 25
Open
Brushy Peak Loop Trail
Mortar Count: 6
Open
Buckeye Canyon Mound
Canada del Cierbo
Mortar Count: 28
Open
Canyon Middle School
Mortar Count: 8
Open
Canyon Trail Park Petroglyph Boulder CA-CCO-152
Mortar Count: 20
Open
Castle Rock Park Partridge Farm area
Mortar Count: 7
Open
Cave Camp
Mortar Count: 5
Open
Charcoal Road — Saratoga
Mortar Count: 16
Open
Chinese Tree of Heaven
Mortar Count: 18
Open
Chitactac
Mortar Count: 75
Open
Circle of Circles
Mortar Count: 1
Open
Club Moto
Mortar Count: 30
Open
Dillon Point
Mortar Count: 4
Open
Don Edwards Preserve
Mortar Count: 4
Open
East Goat Rock Camp
Mortar Count: 4
Open
El Sobrante La Honda
El Sobrante Library
Evergreen Valley Cupule Rock on Silver Creek
First Terrace
Mortar Count: 31
Open
Frick Lake
Mortar Count: 16
Open
Garin Park, east spur
Mortar Count: 2
Open
Garin, single morta
Mortar Count: 1
Open
Glen Cove Park, aka Sogorea Te
Mortar Count: 20
Open
Gossip Rock
Mortar Count: 5
Open
Guadalupe Oak Grove Park
Mortar Count: 4
Open
Hill 1424
Mortar Count: 4
Open
Horse Heaven Trail
Mortar Count: 3
Open
Jalquin Vista Park
Mortar Count: 16
Open
Jeff’s Hideaway
Mortar Count: 4
Open
Jeff’s Lookout
Mortar Count: 1
Open
Jeff’s Niles Canyon Mortar
Mortar Count: 1
Open
Jeff’s Pestles
Mortar Count: 1
Open
Joel’s Fat Lip Mortars
Mortar Count: 3
Open
Kitchen Site
Mortar Count: 22
Open
Lake Anza, east side
Mortar Count: 10
Open
Lake Del Valle, Campsite 40
Mortar Count: 2
Open
Lake Del Valle, Campsite 74
Mortar Count: 1
Open
Lexington Reservoir
Mortar Count: 27
Open
Mare Island shell midden
Mid Upper Welch Creek
Mortar Count: 1
Open
Mid-Walpert Village
Mortar Count: 32
Open
Miller’s Creek
Mortar Count: 3
Open
Minnis Ranch Rock
Mortar Count: 14
Open
Mira Vista Park
Mortar Count: 10
Open
Mission Creek Trail Spring
Mission San Jose
Monte Bello Open Space–headwaters of Stevens Creek
Mortar Count: 12
Open
Mt. Diablo Winter Solstice alignment
Murietta Falls
Mortar Count: 3
Open
North Knoll, Chinese Tree of Heaven
Mortar Count: 12
Open
North Mission Peak
North Vargas Plateau
Mortar Count: 2
Open
North Walpert Camp
Mortar Count: 2
Open
North Walpert Lookout
Mortar Count: 2
Open
Observation Hill
Patterson Mound, CA-ALA-328
Pinole Shores Shellmound
Possible PCN
Post Office Rock
Mortar Count: 12
Open
Rancho Higuera
Mortar Count: 2
Open
Rankin Park Overlook
Mortar Count: 1
Open
Reservoir
Mortar Count: 7
Open
Rock Scramble Jaca
Rockwall to Campsite
Mortar Count: 8
Open
Ryan’s Hideaway
Mortar Count: 24
Open
San Antonio Creek Rock
Mortar Count: 4
Open
Sanborn Creek Village — Saratoga
Mortar Count: 19
Open
Second Terrace
Mortar Count: 20
Open
Siippery Rock at Big Basin
Mortar Count: 8
Open
Siplichiquin Shell Mound
South Fork Apperson Creek
Mortar Count: 1
Open
South Mission Peak
South of Prayer Circle
Mortar Count: 1
Open
South Vargas Plateau
Mortar Count: 3
Open
Southern Rocky Ridge
Mortar Count: 14
Open
Stienstra’s Easy Chair
Mortar Count: 2
Open
Stonebrae, 16th hole
Mortar Count: 5
Open
Stromer Spring
Mortar Count: 25
Open
Sulphur Spring
Mortar Count: 5
Open
Sunol Ridge Prayer Circle
Sunol Ridge, North of Prayer Circle
Sunol Ridge, South of Prayer Circle
SW Walpert Ceremonial Site
Mortar Count: 22
Open
Swett Ranch
Mortar Count: 16
Open
The Old Homestead
Third Terrace
Mortar Count: 6
Open
Top ‘o Brushy Peak
Mortar Count: 1
Open
Turtle Rock – Solstice site.
Upper Crow Creek
Mortar Count: 3
Open
Upper Fetus
Mortar Count: 5
Open
Upper Lake at the Alma College site
Mortar Count: 2
Open
Upper Palomares Canyon
Mortar Count: 1
Open
Upper San Antonio Creek
Mortar Count: 2
Open
Upper Shady Canyon
Mortar Count: 1
Open
Upper Ukraina
Mortar Count: 29
Open
Upper Welch Creek Road
Mortar Count: 5
Open
Vernal Pool
Mortar Count: 23
Open
Walpert Ridge Lookout
Mortar Count: 19
Open
Welch-Hurst house
Mortar Count: 14
Open
West Ohlone Rocky Ridge
Mortar Count: 17
Open
Whittell Marsh Shellmound
Wildcat Creek
Mortar Count: 4
Open
Wildcat Creek Cupule Rock
Williams Gulch
Mortar Count: 2
Open
Windmill Overlook, Central
Mortar Count: 22
Open
Windmill Overlook, Lower
Mortar Count: 20
Open
Windmill Overlook, Upper
Mortar Count: 2
Open

Territory: Ohlone

Speakers of Ohlone dialects occupied the lands encompassed by Alameda, Santa Clara, Santa Cruz, San Mateo, and San Francisco Counties. One Ohlone triblet, the Carquin, occupied lands on the north shore of the Carquinez Strait in Solano County and probably in the southern part of Napa County.

CaveCamp

Cave Camp

Cave Camp5 bedrock mortarsElevation 915 ft.Access to this site is strictly controlled. Call LARPD at (925) 373-5707 for details

MareIsland1

Mare Island shell midden

Mare Island shell middenDeteriorating shell middenElevation 23 ft.Joel seems to have a nose for midden. Keep sniffing ’em out Joel!This is probably one of the two “shell heaps” on Mare Island marked on N. C. Nelson’s 1909 map. Note the contrast between dark midden and tan soil.Joel thinks the shell fragments and midden soil are […]

JARM2

South Fork Apperson Creek

South Fork Apperson CreekOne bedrock mortar, two probable mortarsElevation 1510 ft.We don’t know how Jeff keeps finding these beautiful sites, but we sure hope he keeps it up.Water was pouring down from Apperson Ridge via several creeks when we checked out this site in mid-July 2011.Bob looks toward the mortar. The area behind him is […]

WildcatCreek

Wildcat Creek Cupule Rock

Wildcat Creek Cupule Rock20+ cupules and incising on a blueschist boulder in Wildcat Creek.Elevation 285 ft.Another cupule rock on Wildcat Creek. Could this rock in the middle of the creek have had something to do with fishing magic?A closer view of the cupule rock.Photograph by Bob Bardell.

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 […]

EVC1

Evergreen Valley Cupule Rock on Silver Creek

Evergreen Valley Cupule Rock on Silver Creek32+ cupulesElevation 570 ft.Thanks to Joel for directing us here.The rock.Some of the cupules on this rock could probably be classed as bedrock mortars.We believe the trinomial for this site is CA-SCL-63. There are PCNs on this rock too, but we didn’t notice any. See A Stylistic Analysis of […]

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.

JeffsWall

Sunol Ridge, South of Prayer Circle

Sunol Ridge, South of Prayer CircleRock WallElevation 1711 ft.Part of this wall covers a seasonal stream bed. Look for a stone seat at the wall’s highest point.A section of this wall lies on private property. One should secure permission before visiting it.

BeniciaQuarry2

Benica Quarry #2

Benica Quarry #220 bedrock mortarsJim examines an unusual mortar rock at this site.This mortar arrangement is a work of art. Note the flaring rim of the far right mortar.This site is on private property. One should secure permission before visiting it.

JeffsHideaway

Jeff’s Hideaway

Jeff’s Hideaway4 bedrock mortarsElevation 1550This site on the western scarp of Sunol Ridge is named after the person who turned us on to it. Thanks Jeff!Bob works his way over rocks searching for more mortars. Head down here to cool off on hot days.