Del Valle Reservoir is a popular fishing spot in California known for its abundance of bass, catfish, trout, and sunfish. The lake is surrounded by rolling hills and has several campgrounds, hiking trails, and picnic areas nearby. Fishing tips include using live bait or lures and targeting the deeper parts of the lake during warmer months. The best time to visit is in the spring or fall when temperatures are mild, with average temperatures ranging from 60-80°F. Visitors can also enjoy boating, swimming, and horseback riding in the area.