Best lakes around Walnut, California, are primarily reservoirs and regional park lakes in the surrounding areas. These bodies of water offer various recreational activities, with fishing being a popular pursuit. The region's landscape features a mix of urban development and natural areas, providing accessible outdoor spaces. These lakes serve as key destinations for local outdoor enthusiasts.
Last updated: October 28, 2026
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Great view of the Puddingstone Reservoir, a 250-acre man-made body of water. There is a road that runs along the perimeter of the reservoir and there is a spot to pull off the road to get a close up view of the water.
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The Mt. San Antonio College Wildlife Sanctuary is a 10-acre protected haven that proudly preserves the natural beauty of the trees, shrubs, and flowers that once thrived in the area. With a mission to provide a safe migratory refuge and breeding ground for birds and other animals, it boasts a natural stream and a pond that are home and visitation spots for many bird species. The Sanctuary is also home to a 25-seat amphitheater on the southern tip, offering a perfect setting for Biology classes and lectures for visiting groups.
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Carbon Canyon Regional Park is a great local park with a small lake and some nature trails featuring redwoods and the Carbon Canyon Creek. It connects to Chino Hills State Park.
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This serene fishing area in the park is a nice sight along the nature walk loop, or a great local place to fish with the family at the docks. There are picnic areas surrounding the pond where you can enjoy the view as well.
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Carbon Canyon Regional Park is a great local park with a small lake and some nature trails featuring Redwoods and the Carbon Canyon Creek. It connects to the Chino Hills State Park and is a great spot for some quick day hiking, fishing, sports, or just sitting and enjoying some nature.
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The lakes near Walnut are primarily reservoirs and regional park lakes in the surrounding areas. These include larger bodies of water like Puddingstone Reservoir, as well as smaller lakes and ponds within parks such as Carbon Canyon Regional Park and the Mt. San Antonio Wildlife Sanctuary.
Yes, fishing is a popular activity at many lakes near Walnut. Puddingstone Reservoir, Santa Fe Reservoir, Laguna Lake, Legg Lake, and Santa Ana River Lakes are frequently recommended fishing spots. You can also find dedicated areas like the Fishing Pond, which is suitable for family fishing at the docks.
Beyond the lakes themselves, you can find diverse natural features. Carbon Canyon Regional Park features nature trails and even redwoods. The Mt. San Antonio Wildlife Sanctuary preserves native trees, shrubs, and flowers, along with a natural stream and pond that attract various bird species.
Absolutely. Many lakes and parks are designed for families. Carbon Canyon Regional Park offers a small lake and nature trails suitable for all ages. The Fishing Pond provides a serene setting for family fishing and has picnic areas. Puddingstone Reservoir, within Frank G. Bonelli Regional Park, also offers boating, swimming, and picnicking.
Besides fishing, you can enjoy various outdoor activities. Hiking is popular, with options ranging from easy walks to more challenging routes. For example, you can find easy hikes like the Bonelli Bluffs Loop near Puddingstone Reservoir. Cycling is also popular, with road cycling routes around Puddingstone Reservoir and gravel biking in the wider area. Boating and picnicking are also common at many locations.
Yes, several lakes offer hiking opportunities. Carbon Canyon Regional Park has nature trails, some of which connect to Chino Hills State Park. Puddingstone Reservoir has a road running along its perimeter, providing access to views and surrounding trails. For more options, explore easy hikes around Walnut, which include trails near these water bodies.
The lakes are generally accessible year-round. Spring and fall offer pleasant temperatures for hiking and outdoor activities. Summer is ideal for water-based activities like swimming and boating, especially at Puddingstone Reservoir. Winter can be cooler but still suitable for walks and enjoying the scenery, though specific activities might be limited by weather.
Yes, especially at designated natural areas. The Mt. San Antonio Wildlife Sanctuary is a 10-acre protected haven specifically designed to provide a safe migratory refuge and breeding ground for birds and other animals, making it an excellent spot for wildlife observation.
While direct public transport to all specific lake access points might be limited, regional bus services often connect to areas near the larger parks. For detailed routes and schedules, it's best to check local transit authority websites for services to areas like San Dimas (for Puddingstone Reservoir) or South El Monte (for Legg Lake).
Yes, there are several spots to take in the views. The View of Puddingstone Reservoir is a popular viewpoint offering a broad perspective of the 250-acre man-made lake. Many parks also feature scenic spots and picnic areas around their lakes where you can enjoy the surroundings.
Yes, Carbon Canyon Regional Park is notable for its small grove of coastal redwoods, which is an unusual sight in Southern California. This park offers a unique natural experience alongside its lake and trails.
Puddingstone Reservoir, located within Frank G. Bonelli Regional Park, is a hub for various activities. It's popular for fishing (bass, trout), boating, and swimming. The park also offers hiking, picnicking, and a scenic road around the reservoir for easy access to views.


Still not found your perfect lake around Walnut? Check out the guides of these regions to see even more beautiful places.