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Mount Diablo Interpretive Association - http://www.mdia.org/home.htm
MDIA is a non-profit volunteer organization which assists the California Department of Parks and Recreation in maintaining and interpreting Mt. Diablo State Park to visitors. |
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Point Pinole - http://www.ebparks.org/parks/pt_pinole
Information about the East Bay Regional Park. |
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Contra Costa Canal Regional Trail - http://www.ebparks.org/parks/trails/contra_costa
Information and map |
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Contra Costa Canal Trail - http://home.pacbell.net/leewaysf/cccanal.html
Guide to the trail within the urban heart of the Diablo Valley. Location and hiking tips provided. |
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California State Historical Landmarks - Contra Costa County - http://www.sonic.net/~laird/landmarks/counties/Contra_Costa.html
Includes photos of the landmark and/or the plaque designating it as a historical landmark. |