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.

KitchenSite1

Kitchen Site

Kitchen Site22 bedrock mortars.Elevation 820 ft.We call this the “kitchen site” in honor of the twelve mortar rock found here.Heading down to the site.Photograph by Bob Bardell.This twelve mortar rock has some of the deepest bedrock mortars you’ll ever see. Three of these bullet-shaped mortars are over 15″ deep.A closeup of some of the deep […]

SanAntonioCreekRock

San Antonio Creek Rock

San Antonio Creek Rock4 bedrock mortars, three on one rock, fourth on north side of rock near roadPhotograph by Bob Bardell

MidWalpertLookout

Walpert Ridge Lookout

Walpert Ridge Lookout19 bedrock mortars.Many are worn and chipped, giving the apppearance of age.The lookout.The view north and east from here is as impressive as the one to the west. This hill can be identified from many locations in the East Bay.Looking toward Mission Peak. Note the stacked rock wall probably constructed in historic times.Two […]

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.

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.

16thHole

Stonebrae, 16th hole

Stonebrae, 16th hole5 bedrock mortars on the 16th hole at Stonebrae golf course.Fore! At least they saved this site, a fate not shared by three others that had the misfortune to lie in the path of the Stonebrae development. That’s three we know about. There may have been more.Two of the mortars here are bowls […]

AP3

Alpine Pond — Palo Alto

Alpine Pond — Palo Alto35 bedrock mortars just below Alpine Pond dam. Look on both sides of the creek.Elevation 2184 ft.A heavy-duty work station on the lip of a steep canyon.We’d like to see signs like this in the tribal lands of the East Bay hills.This rock face is so cool we had to include […]

AgapiusGrafitti

Gossip Rock

Gossip Rock5 bedrock mortars, possible cupules and incisions.This is one of the rare archaeological sites identified by East Bay Regional Parks. It’s listed right there on the map for Garin/Dry Creek Pioneer Park. Be sure to sit here for a while. Enjoy the south-facing rock and the view of Mission Peak.Jim studies a mortar on […]

CoyoteHills1

Patterson Mound, CA-ALA-328

Patterson Mound, CA-ALA-328Tuibun village site, Coyote HillsElevation 18 ft.According to Polly Bickel, there are four known shellmounds in this general vicinity of Coyote Hills. For a fascinating, in-depth study of three of them, check out San Francisco Bay Archaeology: Sites ALA-328, ALA-13, and ALA-12. Be sure to look at the Plates that accompany Bickel’s paper. […]

JoelsSolstice

Turtle Rock – Solstice site.

Turtle RockSolstice site.Elevation 2667 ft.Thanks to Joel for identifying this site.According to an Ohlone creation myth, Turtle brought the souls of all living beings from the ocean to the land. He carried them under his shell. At sunset on the winter solstice the cleft in the foreground rock admited a shaft of light that cracked […]