Lothair is located on the Hi-Line between Chester and Shelby. Nearby Tiber Dam-Lake Elwell provides excellent year-round angling for walleye, northern and sauger pike, native trout, ling and perch. Near Lothair is the Lewis and Clark Overlook, that commemorates Captain Lewis' trip up the Marias River. The site offers a panoramic views of the Sweetgrass Hills, the Bears Paw Mountains, Square Butte, the Highwood Mountains, portions of the Belt Mountains, the Rocky Mountain Front and the Marias River below.