The Santa Clara River (Spanish: Río Santa Clara) is 83 miles (134 km) long, and is one of the most dynamic river systems in Southern California. The river drains parts of four ranges in the Transverse Ranges System north and northwest of Los Angeles, then flows west onto the Oxnard Plain and into the Santa Barbara Channel of the Pacific Ocean. The watershed has provided habitat for a wide array of native plants and animals and has historically supplied humans with water, fish, and fertile farmland. The northern portion of the watershed was home to the Tataviam people while the ... Source: Wikipedia