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.

GoldenEagle

Upper Fetus

Upper Fetus5 bedrock mortarsElevation 985 ft.Access to this site is strictly controlled. Call LARPD at (925) 373-5707 for details.The rock that gave birth to Wek-wek (Prairie Falcon man).A closer look at the fetus.A Golden Eagle keeps an eye on us.

CanyonTrails

Canyon Trail Park Petroglyph Boulder CA-CCO-152

Canyon Trail Park Petroglyph Boulder20+ bedrock mortars and 175+ cupules on one chlorite blueschist boulder.Elevation 141 ft.CA-CCO-152This rock is in Canyon Trail Park on a branch of Baxter Creek. Baxter Creek flows into the Bay near Stege, a long-vanished neighborhood on the old shoreline of San Francisco Bay, northwest of Albany hill. Some of the […]

C741

Lake Del Valle, Campsite 74

Lake Del Valle, Campsite 7414 cupule rock and 1 small bedrock mortar on rock in the nearby creekElevation 714 ft.Thanks to Joel and Alex for discovering these rocks.The cupule rock was likely moved here. The patterns of cupules appear non-random, which suggests they may have had representational functions.This shallow mortar is difficult to make out […]

BigBasin1

Siippery Rock at Big Basin

Siippery Rock at Big Basin8 bedrock mortars plus 4 possible mortarsElevation 1255 ft.Be sure to take the short side trip to Sempervirens Falls.This long exposed outcrop probably has more mortars on it than we were able to find.Paired mortars.

WhitellMarsh

Whittell Marsh Shellmound

Whittell Marsh ShellmoundNear the tip of Point Pinole.Elevation 7 ft.N. C. Nelson counted 425 shellmounds in his seminal article “Shellmounds of the San Francisco Bay Region,” University of California Publications in American Archaeology and Ethnology, Vol. 7, No. 4, Putnam and Kroeber editors, The University Press, 1909. Very few can be seen today. This is […]

BearGulch

4 housepits near Bear Gulch

4 housepits near Bear Gulch This counts as the most remote site we’ve found to date. Murietta Falls is pretty remote too, but people hike there all the time. No one goes to Bear Gulch other than the committed or those that should be. Be prepared to wade across Alameda Creek several times if you […]

ESLH2

El Sobrante La Honda

El Sobrante La HondaMidden and probable village site.Elevation 134 ft.Joel strikes again.The house probably sits on top of a village site, perhaps one those along San Pablo Creek marked on Sherburne Cook’s map of East Bay Indian villages.Midden soil.

D2Solstice1

Mt. Diablo Winter Solstice alignment

Winter Solstice alignmentElevation 734 feetThe rocks in this alignment are the only ones in the immediate vicinity.Dave hit the jackpot when he discovered this rock alignment, which lines up nicely with the gap between Mt. Diablo and North Peak.There is a 360 degree view from this hilltop.Awaiting the sunrise.Winter solstice December 21, 2010. Experts assure […]

SunolRidgePrayerCircle2

Sunol Ridge Prayer Circle

Sunol Ridge Prayer CircleStacked-rock prayer circle.Elevation 1664 ft.Our jaws dropped when we saw this near the bottom of a little hollow just below the top of Sunol Ridge.A closer look at the geoglyph.Photograph by Bob BardellPart of the “spine” of this stone circle is a natural rock outcrop.This site is on private property. One should […]

BelowMcClureSprings1

Below McClure Springs

Below McClure Springs75 yard long rock alignment overlooking the South Bay.Elevation 1908 ft.Some of the rock alignments in the Mission Peak area are probably natural formations. Others are clearly man-made. We believe this alignment is a member of the latter class.A close look at the stacked rocks.