Arroyo Calabasas is a 7.0-mile-long tributary of the Los Angeles River, in the southwestern San Fernando Valley area of Los Angeles County in California. The stream begins with the merging of: Dry Canyon Creek from a Santa Monica Mountains watershed and McCoy Canyon Creek from a Simi Hills watershed, near the Leonis Adobe in the town of Calabasas.
Country: United States
Basin size: Santa Monica Mountains, Simi Hills, southwest San Fernando Valley