The unincorporated area consisted of the Blackhawk country club area and the surrounding Camino Tassajara area .
Blackhawk - Camino Tassajara is a former census - designated place ( CDP ) in Contra Costa County , California , near the town of Danville .
The unincorporated area consisted of the Blackhawk country club area and the surrounding Blackhawk - Camino Tassajara   area .
Blackhawk - Camino Tassajara is a former census - designated place ( CDP ) in Contra Costa County , California , near the town of Danville .