Rancho El Pinole

Rancho El Pinole was a 17,761-acre (71.88 km2) Mexican land grant along Carquinez Strait in present-day Contra Costa County, California.

It was given in 1842 by Governor Juan Alvarado to Ygnacio Martinez, a Californio military commander and politician. Rancho El Pinole extended over land that today includes most of the Franklin Ridge and towns of Crockett, Hercules, Martinez, Oleum, Pinole, Rodeo, Selby and Tormey.