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Lake 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 Lake County
Detert Reservoir 7.5 Quadrangle Lake, Napa, Sonoma PDF icon Topographic 3.5 MB
Hopland 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 3.25 MB
Highland Springs 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 3.10 MB
Elk Mountain 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 2.5 MB
Wilson Valley 7.5 Quadrangle Colusa, Lake, Yolo PDF icon Topographic 3.4 MB
Wilbur Springs 7.5 Quadrangle Colusa, Lake PDF icon Topographic 3 MB
Whispering Pines 7.5 Quadrangle Lake, Sonoma PDF icon Topographic 3.5 MB
Van Arsdale Reservoir 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 3.3 MB
Upper Lake 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 3.4 MB
Sanhedrin Mountain 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 3.5 MB
Saint John Mountain 7.5 Quadrangle Colusa, Glenn, Lake PDF icon Topographic 3.8 MB
Purdys Gardens 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 3.6 MB
Potter Valley 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 3.1 MB
Potato Hill 7.5 Quadrangle Colusa, Lake PDF icon Topographic 3.5 MB
Mount Saint Helena 7.5 Quadrangle Lake, Napa, Sonoma PDF icon Topographic 3.8 MB
Lucerne 7.5 Quadrangle Lake PDF icon Topographic 1.8 MB
Lower Lake 7.5 Quadrangle Lake PDF icon Topographic 3.1 MB
Leesville 7.5 Quadrangle Colusa, Lake PDF icon Topographic 3.0 MB
Lake Pillsbury 7.5 Quadrangle Lake PDF icon Topographic 3.2 MB
Knoxville 7.5 Quadrangle Lake, Napa, Yolo PDF icon Topographic 3.4 MB
Kneecap Ridge 7.5 Quadrangle Glenn, Lake PDF icon Topographic 3.0 MB
Kelseyville 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 3.3 MB
Jericho Valley 7.5 Quadrangle Lake, Napa, Sonoma PDF icon Topographic 2.9 MB
Hull Mountain 7.5 Quadrangle Glenn, Lake, Mendocino PDF icon Topographic 3.4 MB
Glascock Mountain 7.5 Quadrangle Colusa, Lake, Yolo PDF icon Topographic 3.4 Mb
Fouts Springs 7.5 Quadrangle Colusa, Lake PDF icon Topographic 3.5 MB
Crockett Peak 7.5 Quadrangle Lake PDF icon Topographic 3.5 MB
Cow Mountain 7.5 Quadrangle Lake, Mendocino PDF icon Topographic 3.4 Mb
Clearlake Oaks 7.5 Quadrangle Lake PDF icon Topographic 2.6 Mb
Clearlake Highlands 7.5 Quadrangle Lake PDF icon Topographic 2.7 MB
Benmore Canyon 7.5 Quadrangle Lake PDF icon Topographic 3.5 MB
Bartlett Springs 7.5 Quadrangle Colusa, Lake PDF icon Topographic 3.8 MB
Bartlett Mountain 7.5 Quadrangle Lake PDF icon Topographic 3.5MB
Aetna Springs 7.5 Quadrangle Lake, Napa PDF icon Topographic 3.0 MB