Arroyo Hondo ( Santa Clara County, California ) is a river that lies east of Milpitas, California. It is located at . The area is owned by the San Francisco Water Department . Bound to the east by Oak Ridge and to the west by Poverty Ridge , Arroyo Hondo empties into the Calaveras Reservoir. Its main source is Mount Hamilton.

Arroyo Hondo means deep river in the Spanish language.