Sonoma County Digital Map

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


Maps are in 7.5 Quadrangle format

Maps of Sonoma County
Name County Topographic Geologic
Annapolis Sonoma PDF icon Annapolis Topographic
Arched Rock Sonoma PDF icon Arched Rock Topographic
Asti Mendocino, Sonoma PDF icon Asti Topographic
Big Foot Mountain Mendocino, Sonoma PDF icon Big Foot Mountain Topographic
Bodega Head Sonoma PDF icon Bodega Head Topographic
Calistoga Napa, Sonoma PDF icon Calistoga Topographic
Camp Meeker Sonoma PDF icon Camp Meeker Topographic
Cazadero Sonoma PDF icon Cazadero Topographic
Cloverdale Mendocino, Sonoma PDF icon Cloverdale Topographic
Cotati Sonoma PDF icon Cotati Topographic
Cuttings Wharf Napa, Solano, Sonoma PDF icon Cuttings Wharf Topographic
Detert Reservoir Lake, Napa, Sonoma PDF icon Detert Reservoir Topographic
Duncans Mills Sonoma PDF icon Duncan Mills Topographic
Fort Ross Sonoma PDF icon Fort Ross Topographic
Geyserville Sonoma PDF icon Geyserville Topographic
Glen Ellen Sonoma PDF icon Glen Ellen Topographic
Gualala Mendocino, Sonoma PDF icon Gualala Topographic
Gube Mountain Mendocino, Sonoma PDF icon Gube Mountain Topographic
Guerneville Sonoma PDF icon Guerneville Topographic
Healdsburg Sonoma PDF icon Healsburg Topographic
Jericho Valley Lake, Napa, Sonoma PDF icon Jericho Valley Topographic
Jimtown Sonoma PDF icon Jimtown Topographic
Kenwood Napa, Sonoma PDF icon Kenwood Topographic
Mare Island Contra Costa, Marin, Solano, Sonoma PDF icon Mare Island Topographic
Mark West Springs Sonoma PDF icon Mark West Springs Topographic
McGuire Ridge Mendocino, Sonoma PDF icon McGuire Ridge Topographic
Mount Saint Helena Lake, Napa, Sonoma PDF icon Mount Saint Helena Topograpic
Novato Marin, Sonoma PDF icon Novato Topographic
Petaluma Marin, Sonoma PDF icon Petaluma Topographic
Petaluma Point Contra Costa, Marin, Solano, Sonoma PDF icon Petaluma Point Topographic
Petaluma River Marin, Sonoma PDF icon Petaluma River Topographi
Plantation Sonoma PDF icon Plantation Topographic
Point Reyes NE Marin, Sonoma
Rutherford Napa, Sonoma PDF icon Rutherford Topographic
Santa Rosa Sonoma PDF icon Santa Rosa Topographic
Sears Point Napa, Solano, Sonoma PDF icon Sears Point Topographic
Sebastopol Sonoma PDF icon Sebastopol Topographic
Sonoma Napa, Sonoma PDF icon Sonoma Topographic
Stewarts Point Sonoma PDF icon Stewarts Point Topographic
Tombs Creek Sonoma PDF icon Tombs Creek Topographic
Two Rock Sonoma PDF icon Two Rock Topographic
Valley Ford Marin, Sonoma PDF icon Valley Ford Topographic
Warm Springs Dam Sonoma PDF icon Warm Springs Dam Topographic
Whispering Pines Lake, Sonoma PDF icon Whispering Pines Topographic