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2021 Map of Mount Vaca

Name: 2021 Topographic Map of Mount Vaca
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

The Vaca Mountains rise sharply above the western edge of the Sacramento Valley, creating a high-relief boundary between Napa and Solano counties. This landscape is defined by the steep ascent to Mt Vaca and Blue Ridge, where numerous seasonal drainages like Wild Horse Canyon and Gates Canyon carve through the uplifted terrain. Below the peaks, the sheltered Pleasants Valley and Vaca Valley provide a stark contrast to the higher ridges, hosting small-scale settlements and rural aviation at Blake Sky Park.

Vacaville sits at the foot of these hills, marking the transition into the flat expanse of the Central Valley. Along the northern edge, Putah Creek follows the county line near the English Hills, while the small community of Bucktown remains tucked into the valley floor. The map details a complex network of canyons and peaks, including Putnam Peak and Dunns Peak, reflecting the area's geography as a gateway between the coastal ranges and the interior agricultural plains.