Lake Elmo State Park 2300 Lake Elmo Dr Billings, MT 59105 Phone : (406) 254-1310 Business Category Parks & Playgrounds Amusement & Recreation Montana State Of--departmental Listings, Fish Wildlife & Parks, Lake Elmo State Park 2300 Lake Elmo Dr Billings, MT 59105 Phone : (406) 254-1310 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools