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2015 Map of Ciervo Mountain

Name: 2015 Topographic Map of Ciervo Mountain
Creator: U.S. Geological Survey
Published: 2015
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2015

About this map

The Diablo Range defines this high-desert terrain where the western edge of the San Joaquin Valley meets the rising slopes of the Ciervo Hills. Water is the primary driver of the local topography and naming conventions, with numerous seasonal drainages such as Arroyo Ciervo, Arroyo Hondo, and Arroyo Venado cutting through the complex elevations. These arroyos descend from prominent landmarks like Ciervo Mtn and the striking Monocline Ridge, revealing a landscape shaped by significant geological uplift.

Local history is traced through the vital water sources scattered across these dry ridges, including Ciervo Spring, Borreguero Spring, and Harris Spring. The map documents the boundary where the Central Valley floor gives way to geographic features like Peppergrass Flat and the San Carlos Bolsa. This survey reflects the modern management of these remote stretches along the Fresno and San Benito County line, documenting the intricate system of canyons and ridges that separate the valley from the rugged interior ranges.