Map Diamond D Ranch 3223 Dunning, Cassopolis, MI 49031 Add To Trip WebsitePhone: (269) 683-5892 Description Horseback riding at its best. Our trails are through the woods along the Trout stream and country fields. Hayrides, lessons, and parties of all kinds. Open April - November. Tuesday through Sunday, 10am-6pm. Videos TripAdvisor® Traveler Reviews More To Explore Categories: Farms & Cider Mills Equestrian Attractions Recreation City: Cassopolis Region: Southwest Although the MEDC uses reasonable efforts to maintain the accuracy of the website content, it is not represented to be error free. Read legal information.