The Alameda County Flood Control District has created a full-featured, interactive map of every watershed in western Alameda County. Using the map below, you can select a zone to find information on its creeks, culverts and storm drains, and explore points of interest. Alternatively, you can view this map on Google Maps or download for use with Google Earth.
Interactive Map: Alameda County Watersheds
Click a zone on the map or select from the dropdown menu to see its watershed information page. On the watershed page you can view its map; read more about its geology, hydrology, creeks, trails, and parks; and find information on restoration efforts and volunteer opportunities.