Joplin is located along the Hi-Line on Highway 2 between Shelby and Havre. To the north are the Sweet Grass Hills where a small group of low mountains rise more than 3,000 feet above the surrounding plains. To the south Tiber Dam-Lake Elwell (Tiber Reservoir) provides recreational opportunities and excellent year-round angling for walleye, northern and sauger pike, native trout, ling, perch and others.