Guide to San Francisco Bay Area Creeks

Arroyo Las Positas

Watershed Map

This map only shows the western portion of this watershed.
Arroyo Las Positas and its major tributaries Cayetano Creek, Altamont Creek, and Arroyo Seco drain the area to the north and east of Livermore.

Click here or map to enlarge (290k)

Click here for legend

Portion of Creek & Watershed Map of the Pleasanton & Dublin Area -- Purchase Printed Map

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