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
Below McClure Springs
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.
Benica Quarry #1
Mortar Count: 5
Open
Benica Quarry #2
Mortar Count: 20
Open
Blue Rock Springs Park — South
Brushy Peak Loop Trail
Mortar Count: 6
Open
Blue Rock Springs Park — North
Briggs Creek below Alma College
Mortar Count: 25
Open
Buckeye Canyon Mound
Canada del Cierbo
Mortar Count: 28
Open
Cave Camp
Mortar Count: 5
Open
Chitactac
Mortar Count: 75
Open
Club Moto
Mortar Count: 30
Open
Dillon Point
Mortar Count: 4
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
Charcoal Road — Saratoga
Mortar Count: 16
Open
Circle of Circles
Mortar Count: 1
Open
El Sobrante La Honda
El Sobrante Library
Chinese Tree of Heaven
Mortar Count: 18
Open
Don Edwards Preserve
Mortar Count: 4
Open
East Goat Rock Camp
Mortar Count: 4
Open
Garin Park, east spur
Mortar Count: 2
Open
Garin, single morta
Mortar Count: 1
Open
Jeff’s Hideaway
Mortar Count: 4
Open
Lake Anza, east side
Mortar Count: 10
Open
Evergreen Valley Cupule Rock on Silver Creek
First Terrace
Mortar Count: 31
Open
Frick Lake
Mortar Count: 16
Open
Glen Cove Park, aka Sogorea Te
Mortar Count: 20
Open
Lake Del Valle, Campsite 40
Mortar Count: 2
Open
Mid Upper Welch Creek
Mortar Count: 1
Open
Miller’s Creek
Mortar Count: 3
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
Minnis Ranch Rock
Mortar Count: 14
Open
Mission Creek Trail Spring
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
Murietta Falls
Mortar Count: 3
Open
North Knoll, Chinese Tree of Heaven
Mortar Count: 12
Open
North Walpert Camp
Mortar Count: 2
Open
Lake Del Valle, Campsite 74
Mortar Count: 1
Open
Lexington Reservoir
Mortar Count: 27
Open
Mare Island shell midden
Mid-Walpert Village
Mortar Count: 32
Open
Mira Vista Park
Mortar Count: 10
Open
Possible PCN
Post Office Rock
Mortar Count: 12
Open
Rancho Higuera
Mortar Count: 2
Open
Mission San Jose
Monte Bello Open Space–headwaters of Stevens Creek
Mortar Count: 12
Open
Mt. Diablo Winter Solstice alignment
North Mission Peak
North Vargas Plateau
Mortar Count: 2
Open
Rankin Park Overlook
Mortar Count: 1
Open
Reservoir
Mortar Count: 7
Open
San Antonio Creek Rock
Mortar Count: 4
Open
North Walpert Lookout
Mortar Count: 2
Open
Observation Hill
Patterson Mound, CA-ALA-328
Pinole Shores Shellmound
Rock Scramble Jaca
Second Terrace
Mortar Count: 20
Open
Rockwall to Campsite
Mortar Count: 8
Open
Ryan’s Hideaway
Mortar Count: 24
Open
Sanborn Creek Village — Saratoga
Mortar Count: 19
Open
Siippery Rock at Big Basin
Mortar Count: 8
Open
Siplichiquin Shell Mound
South of Prayer Circle
Mortar Count: 1
Open
South Fork Apperson Creek
Mortar Count: 1
Open
South Mission Peak
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
Sunol Ridge, North of Prayer Circle
Sunol Ridge, South of Prayer Circle
The Old Homestead
Stromer Spring
Mortar Count: 25
Open
Sulphur Spring
Mortar Count: 5
Open
Sunol Ridge Prayer Circle
SW Walpert Ceremonial Site
Mortar Count: 22
Open
Top ‘o Brushy Peak
Mortar Count: 1
Open
Upper Crow Creek
Mortar Count: 3
Open
Upper Fetus
Mortar Count: 5
Open
Upper Palomares Canyon
Mortar Count: 1
Open
Swett Ranch
Mortar Count: 16
Open
Third Terrace
Mortar Count: 6
Open
Turtle Rock – Solstice site.
Upper Lake at the Alma College site
Mortar Count: 2
Open
Upper San Antonio Creek
Mortar Count: 2
Open
Upper Shady Canyon
Mortar Count: 1
Open
Wildcat Creek
Mortar Count: 4
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
Wildcat Creek Cupule Rock
Windmill Overlook, Upper
Mortar Count: 2
Open
Welch-Hurst house
Mortar Count: 14
Open
West Ohlone Rocky Ridge
Mortar Count: 17
Open
Whittell Marsh Shellmound
Williams Gulch
Mortar Count: 2
Open
Windmill Overlook, Central
Mortar Count: 22
Open
Windmill Overlook, Lower
Mortar Count: 20
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.

JV4

Jalquin Vista Park

Jalquin Vista Park16 bedrock Mortars, many with recessed “Olla” rims3 housepitsElevation 1194 ft.What’s in a name? The City of Hayward may think this site was in Jalquin territory, but we believe the Yrgin controlled all of the Walpert Ridge “high country.”This is a great site with extensive views. You can drive right up to it.Note […]

MiraVistaPark2

Mira Vista Park

Mira Vista Park10 bedrock mortars and 60+ cupules on a chlorite blueschist boulder near Baxter Creek.Elevation 116 ft.See Canyon Trail Petroglyphs for more details about cupule petroglyphs. Also see Cupule Petroglyphs in the Diablo Range by E. Breck Parkman in the Journal of California and Great Basin Anthropology Vol. 8, No. 2, pp. 254-55 (1986). […]

RH1

Rancho Higuera

Rancho HigueraTwo bedrock mortarsElevation 342 ft.This site is named for the nearby Rancho Higuera Historical Park.Joel, who turned us on to this site, sent us a picture of another rock where potential mortars were clogged with dirt. We couldn’t find it.Photograph by Bob Bardell

StienstrasThrone1

Stienstra’s Easy Chair

Stienstra’s Easy Chair2 probable bedrock mortars, a comfortable seat, and spectacular views.Elevation 1049 ft.Tom Stienstra, the Bay Area’s famed outdoor writer, described this site in a February 9, 2003 SF Chronicle article.Bob enjoys the view from Stienstra’s Easy Chair. That’s Pillar Point and the Pacific Ocean in the distance. This is an amazingly comfortable seat. […]

UpperPalomaresCanyon

Upper Palomares Canyon

Upper Palomares CanyonOne bedrock mortarElevation 1450 feetThis rock sits below a spring box, which itself lies directly below the Rockwall to Campsite site. The mortar is a no-doubt-about-it cone six inches wide and six inches deep.One should secure permission before visiting this site.

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.

DillonPoint2

Dillon Point

Dillon Point4 bedrock mortars, 2 or 3 possible mortars, and a slickElevation 100 ft.Joel’s been doing good work on the north side of the Carquinez Strait.Looking out over Southampton Bay and the Carquinez Strait.A closer look at one of the mortars.

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.

MissionPeakTrailSpring

Mission Creek Trail Spring

Mission Creek Trail Spring50 yard long rock alignment at a seep spring site.Elevation 1725 ft.The alignment makes a right-angled turn at the top of the ridge near the big rocks and continues on downhill for a bit.

RankinPark

Rankin Park Overlook

Rankin Park Overlook1 bedrock mortar.Elevation 295 ft.The largest Indian village early Spanish explorers encountered was probably Carquin. There was a major Carquin village in Crockett on whose site Thomas Edwards constructed the “Old Homestead,” California Historic Landmark #731. This site, needless to say, was not a major one.Jim looks down at the Rankin Park mortar.