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2012 Map of Briones Valley

Name: 2012 Topographic Map of Briones Valley
Creator: U.S. Geological Survey
Published: 2012
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2012

About this map

Orinda serves as a primary residential hub on this East Bay landscape, flanked by significant water infrastructure including the San Pablo Reservoir and the Briones Reservoir. The 2012 topography highlights the area's complex water management systems, notably the Mokelumne Aqueduct and the Claremont Water Tunnel, which underline the region's importance to the California water grid. To the north, the terrain transitions into the Briones Hills and Oursan Ridge, where small settlements like Glen Frazer and Muir sit near Franklin Canyon.

The southwestern portion of the map covers the heights of the Berkeley Hills, featuring several prominent summits such as Vollmer Peak and Grizzly Peak. This area is also home to recreational spaces like the Tilden Park Golf Course and Lake Anza. The residential pockets of Sleepy Hollow, Orinda Village, and Happy Valley are well-defined, showing the interface between developed communities and the protected open spaces and canyons that characterize this part of Contra Costa County.