Description
Heads in Zaca Lake, flows 3.2 km (2 mi) northwest then 25.6 km (16 mi) southwest to the Santa Ynez River 1.3 km (0.8 mi) southwest of Buellton. (US-T121)
History
The name is derived from La Zaca, on of the oldest ranches in the county. (US-T121)