Frank G. Bonelli Regional Park

Frank G. Bonelli Regional Park, located west of Ontario, is home to a sprawling trail network that circles Puddingstone Reservoir and weaves through rolling hills. The park is spotlighted by local publications like LAist and the San Gabriel Valley Tribune for its accessible trails, lakeside views, and family-friendly amenities. Independently operated by Los Angeles County, Bonelli Park also hosts community events and nature programs, making it a vibrant hub for walkers, cyclists, and birdwatchers alike. The variety of trail options ensures that everyone—from beginners to seasoned hikers—can find their perfect route.