Castaic Lake State Recreation Area is a reservoir of the State Water Project. It is one of the Project’s largest recreational lakes and the terminal of its west branch. The site includes 29 miles of shoreline. A major attraction is the 425-foot-tall Castaic Dam. This site is operated by Los Angeles County. Castaic Lake has two bodies of water. The lower lake is for non-power boating and canoeing. Swimming season on the lower lake runs from mid-May to mid-September. Upper Lake is for sailing, power boating, water and jet skiing, and fishing. The lake is stocked with bass, trout, and catfish. Boat rentals and a tackle bait shop are available.