Arroyo Las Positas
# Arroyo Las Positas

Arroyo Las Positas is a 7.4-mile-long (11.9 km) westward-flowing watercourse in Alameda County, California, which begins at the confluence of Arroyo Seco and Cayetano Creek north of Livermore, and empties into Arroyo Mocho in Dublin, California.

