Castaic Lake is located within the Angeles National Forest just 15 minutes north of Six Flags Magic Mountain and 5 minutes from I-5. Castaic Lake is a holding reservoir for part of the western regions irrigation water supply. The Castaic Lake Dam is 425 feet high and holds 350,000 acre feet of water at full capacity. Castaic Lake is surrounded by 8,800 acres of recreational land. Castaic Lake consists of two bodies of water; the upper or main lake which has approximately 29 miles of shoreline and the lagoon or lower lake has approximately 2 miles of shoreline.
This facility has two bodies of water. The upper lake is for sailing, power boating, water and jet skiing, fishing, boat rentals and a tackle bait shop. The lake is stocked with various fish such as bass, trout and catfish. The lower lake is for non-power boating and canoeing. Swimming season on the lower lake runs from mid-May to mid-September. Some of the recreational activities include: hiking, biking trails, picnic areas, playgrounds, and recreational vehicle and tent camping. Rental group picnic areas are available for up to 600 persons.