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Napa 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 of Napa County
Name Format County Topographic Geologic
Yountville 7.5 Quadrangle Napa PDF icon Topographic 3.7 MB
Walter Springs 7.5 Quadrangle Napa PDF icon Topographic 3.0 MB
Saint Helena 7.5 Quadrangle Napa PDF icon Topographic 3.2 MB
Napa 7.5 Quadrangle Napa PDF icon Topographic 3.5 MB PDF icon Geologic 3.8 MB
Mount Vaca 7.5 Quadrangle Napa, Solano, Yolo PDF icon Topographic 4.2 MB PDF icon Geologic 2.8 MB
Mount George 7.5 Quadrangle Napa, Solano PDF icon Topographic 3.5 MB PDF icon Geologic 3.4 MB
Monticello Dam 7.5 Quadrangle Napa, Solano, Yolo PDF icon Topographic 2.9 MB
Detert Reservoir 7.5 Quadrangle Lake, Napa, Sonoma PDF icon Topographic 3.5 MB
Rutherford 7.5 Quadrangle Napa, Sonoma PDF icon Topographic 3.6 MB PDF icon Geologic 6.7 MB
Sears Point 7.5 Quadrangle Napa, Solano, Sonoma PDF icon Topographic 2.6 MB PDF icon Geologic 1.6 MB
Sonoma 7.5 Quadrangle Napa, Sonoma PDF icon Topographic 3. MB PDF icon Geologic 6.7 MB
Lake Berryessa 7.5 Quadrangle Napa, Yolo PDF icon Topographic 2.9 MB
Kenwood 7.5 Quadrangle Napa, Sonoma PDF icon Topographic 4.1 MB PDF icon Geologic 2.4 GM
Fairfield North 7.5 Quadrangle Napa, Solano PDF icon Topographic 3.5 MB PDF icon Geologic 6.0 MB
Cuttings Wharf 7.5 Quadrangle Napa, Solano, Sonoma PDF icon Topographic 2.8 MB PDF icon Geologic 3.0 MB
Cordelia 7.5 Quadrangle Napa, Solano PDF icon Topographic 3.4 MB
Chiles Valley 7.5 Quadrangle Napa PDF icon Topographic 3.2 MB
Capell Valley 7.5 Quadrangle Napa PDF icon Topographic 4.2 MB PDF icon Geologic 4.2 MB
Calistoga 7.5 Quadrangle Napa, Sonoma PDF icon Topographic 3.3 MB
Brooks 7.5 Quadrangle Napa PDF icon Topographic 3.4 MB
Mount Saint Helena 7.5 Quadrangle Lake, Napa, Sonoma PDF icon Topographic 3.8 MB
Knoxville 7.5 Quadrangle Lake, Napa, Yolo PDF icon Topographic 3.4 MB
Jericho Valley 7.5 Quadrangle Lake, Napa, Sonoma PDF icon Topographic 2.9 MB
Aetna Springs 7.5 Quadrangle Lake, Napa PDF icon Topographic 3.0 MB