4 housepits near Bear Gulch
Below Jamie’s Knob
Mortar Count: 4
Open
Benica Quarry #1
Mortar Count: 5
Open
Benica Quarry #2
Mortar Count: 20
Open
Chinese Tree of Heaven
Mortar Count: 18
Open
Garin Park, east spur
Mortar Count: 2
Open
Garin, single morta
Mortar Count: 1
Open
Hill 1424
Mortar Count: 4
Open
Jeff’s Lookout
Mortar Count: 1
Open
Martin House Suisun City
Mortar Count: 92
Open
Mid-Walpert Village
Mortar Count: 32
Open
North Knoll, Chinese Tree of Heaven
Mortar Count: 12
Open
North Vargas Plateau
Mortar Count: 2
Open
Prayer Ridge
Rockwall to Campsite
Mortar Count: 8
Open
Ryan’s Hideaway
Mortar Count: 24
Open
South of Prayer Circle
Mortar Count: 1
Open
South Vargas Plateau
Mortar Count: 3
Open
Stonebrae, 16th hole
Mortar Count: 5
Open
Suisun Creek Village Suisun City
Sunol Ridge Prayer Circle
Sunol Ridge, North of Prayer Circle
Sunol Ridge, South of Prayer Circle
SW Walpert Ceremonial Site
Mortar Count: 22
Open
SW Windy Point
Mortar Count: 9
Open
Tolenas Springs Village
Mortar Count: 41
Open
Upper Palomares Canyon
Mortar Count: 1
Open
Upper San Leandro Reservoir
Mortar Count: 8
Open
Upper Welch Creek Road
Mortar Count: 5
Open
Williams Gulch
Mortar Count: 2
Open

Feature: Private Property

BeniciaQuarry3

Benica Quarry #1

Benica Quarry #15 bedrock mortarsElevation 140 ft.Look for these mortars on the top rock of a small outcrop.Jim inspects the site.This site is on private property. One should secure permission before visiting it.

PRidge3

Prayer Ridge

Prayer RidgePossible TsektselElevation 1651 ft.Looking toward the possible tsektsel.A closer look. Note the stacked rocks.Photograph by James Benney.Follow this path to gain entry to the possible tsektsel.This is an almost complete circular enclosure. It contains a smaller stone ring as well.This site is on private property. One should secure permission before visiting it.Photographs by Bob […]

SWWindyPoint

SW Windy Point

SW Windy Point9 bedrock mortars near a creek confluence just off the trail.This site is on private property. One should secure permission before visiting it.There are probably more mortars on this slope than meet the eye. Soil washing down from above may soon bury these.

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.

PestleRockwallCamp

Rockwall to Campsite

Rockwall to Campsite8 bedrock mortars and grinding slick.What’s the function of this wall? A section line? Not likely. Why is it aligned with a Yrgin camp and a spring?Another view of the wall.Photograph by Bob BardellTake time to find all the mortars here and enjoy the ambience of this site. It’s cool in the summer, […]

TC3

Tolenas Springs Village

Tolenas Springs Village41 bedrock mortars, 10+ cupules, probable mortarsElevation 268 ft.An artesian spring once geysered water ten feet into the air near the source of Soda Springs Creek, but quarrying for travertine and onyx (begun in the 1850s) eventually destroyed that flow. Patwins referred to this area as the land of healing waters. A resort […]

CTH5

Chinese Tree of Heaven

Chinese Tree of Heaven18 bedrock mortars (including 5 bowl mortars), 3 metates, 2 cupules, incised rocks, rock rectangles, rock walls, and rock-lined pathwaysThe Chinese Tree of Heaven tree (Ailanthus altissima) was introduced to California by the Chinese during the Gold Rush. The presence of this tree along with the dry-laid masonry skill apparent in a […]

PestleAtRyansHideaway

Ryan’s Hideaway

Ryan’s Hideaway24 bedrock mortars.This site is named in honor of Ryan the Cowboy, who has kicked us off the ridge several times when we accidentally strayed onto private property.Being tucked away in a little hollow amid sheltering trees gives this site a “hideaway” feel. Look for more mortars on and around the little hill that […]

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.

GarinEastSpur

Garin Park, east spur

Garin Park, east spur2 bedrock mortars and possible grinding slick.This is on one of the principal routes to Walpert Ridge.One should secure permission before visiting this site.