Description
Heads on Rocky Ridge, flows southwest to Upper San Leandro Reservoir 1.6 km (1 mi) south of the Alameda County and Contra Costa County boundary and 8.8 km (5.5 mi) southwest of Danville. (US-T121)
Alameda County · California
Heads on Rocky Ridge, flows southwest to Upper San Leandro Reservoir 1.6 km (1 mi) south of the Alameda County and Contra Costa County boundary and 8.8 km (5.5 mi) southwest of Danville. (US-T121)