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North Bay Digital Maps

The University Library has gathered digital images of geologic and topographic maps for easy access by students and faculty engaged in environmental and natural science studies. The geographic area covered by this website includes the counties of Sonoma, Lake, Marin, Mendocino, Napa, and Solano. These counties are part of the North Bay Region, the area north of the city of San Francisco, California.

Sonoma County

Sources

The maps on this website are publications of the following government agencies:

Related Links

Comprehensive list of maps for this county.

Name Size County Topographic Geologic
Annapolis 7.5 Quadrangle Sonoma Topographic (, 3.8 Mb)
Arched Rock 7.5 Quadrangle Sonoma Topographic (, 1.1 Mb)
Asti 7.5 Quadrangle Mendocino, Sonoma Topographic (, 3.2 Mb)
Big Foot Mountain 7.5 Quadrangle Mendocino, Sonoma Topographic (, 3.2 Mb)
Bodega Head 7.5 Quadrangle Sonoma Topographic (, 1.6 Mb)
Calistoga 7.5 Quadrangle Napa, Sonoma Topographic (, 3.3 Mb)
Camp Meeker 7.5 Quadrangle Sonoma Topographic (, 3.18 Mb) Geologic (, 7.2Mb)
Cazadero 7.5 Quadrangle Sonoma Topographic (, 3.5 Mb)
Cloverdale 7.5 Quadrangle Mendocino, Sonoma Topographic (, 3.2 Mb)
Cotati 7.5 Quadrangle Sonoma Topographic (, 2.69 Mb) Geologic (, 4.2Mb)
Cuttings Wharf 7.5 Quadrangle Napa, Solano, Sonoma Topographic (, 2.7 Mb) Geologic (, 3.0 Mb)
Detert Reservoir 7.5 Quadrangle Lake, Napa, Sonoma Topographic (, 3.5 Mb)
Duncans Mills 7.5 Quadrangle Sonoma Topographic (, 3 Mb)
Fort Ross 7.5 Quadrangle Sonoma Topographic (, 3.2 Mb)
Geyserville 7.5 Quadrangle Sonoma Topographic (, 3.6 Mb)
Glen Ellen 7.5 Quadrangle Sonoma, Napa Topographic (, 3.9 Mb) Geologic (, 4.79 Mb)
Gualala 7.5 Quadrangle Mendocino, Sonoma Topographic (, 2.5 Mb)
Gube Mountain 7.5 Quadrangle Mendocino, Sonoma Topographic (, 3.2 Mb)
Guerneville 7.5 Quadrangle Sonoma Topographic (, 3.7 Mb)
Healdsburg 7.5 Quadrangle Sonoma Topographic (, 3.3 Mb)
Jericho Valley 7.5 Quadrangle Lake, Napa, Sonoma Topographic (, 3.0 Mb)
Jimtown 7.5 Quadrangle Sonoma Topographic (, 2.9 Mb)
Kenwood 7.5 Quadrangle Sonoma, Napa Topographic (, 11.8 Mb) Geologic (, 2.4 Mb)
Mare Island 7.5 Quadrangle Contra Costa, Marin, Solano, Sonoma Topographic (, 1.7 Mb)
Mark West Springs 7.5 Quadrangle Sonoma, Napa Topographic (, 3.37 Mb) Geologic (, 13.3 Mb)
McGuire Ridge 7.5 Quadrangle Mendocino, Sonoma Topographic (, 3.5 Mb)
Mount Saint Helena 7.5 Quadrangle Lake, Napa, Sonoma Topographic (, 3.7 Mb)
Novato 7.5 Quadrangle Marin, Sonoma Topographic (, 3.3 Mb) Geologic (, 2.3 Mb)
Petaluma 7.5 Quadrangle Sonoma, Marin Topographic (, 2.74 Mb) Geologic (, 2.5 Mb)
Petaluma Point 7.5 Quadrangle Contra Costa, Marin, Solano, Sonoma Topographic (, 1.4 Mb)
Petaluma River 7.5 Quadrangle Sonoma, Marin Topographic (, 2.8 Mb) Geologic (, 1.6 Mb)
Plantation 7.5 Quadrangle Sonoma Topographic (, 2.1 Mb)
Point Reyes NE 7.5 Quadrangle Marin, Sonoma Topographic (, 3.2 Mb)
Rutherford 7.5 Quadrangle Napa, Sonoma Topographic (, 3.53 Mb) Geologic (, 11 Mb)
Santa Rosa 7.5 Quadrangle Sonoma Topographic (, 3.17 Mb) Geologic (, 2.9 Mb)
Sears Point 7.5 Quadrangle Sonoma, Napa, Solano Topographic (, 2.56 Mb) Geologic (, 2.0 Mb)
Sebastopol 7.5 Quadrangle Sonoma Topographic (, 2.6 Mb) Geologic (, 3.7 Mb)
Sonoma 7.5 Quadrangle Napa, Sonoma Topographic (, 3.73 Mb) Geologic (, 4.0 Mb)
Stewarts Point 7.5 Quadrangle Sonoma Topographic (, 1.9 Mb)
Tombs Creek 7.5 Quadrangle Sonoma Topographic (, 3.1 Mb)
Two Rock 7.5 Quadrangle Sonoma Topographic (, 2.45 Mb) Geologic (, 4.0 Mb)
Valley Ford 7.5 Quadrangle Marin, Sonoma Topographic (, 2.99 Mb) Geologic (, 4.6 Mb)
Warm Springs Dam 7.5 Quadrangle Sonoma Topographic (, 3.8 Mb)
Whispering Pines 7.5 Quadrangle Lake, Sonoma Topographic (, 3.6 Mb)

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