The Roe River is a small river located in the state of Montana, USA. It flows between the Great Falls and the Missouri River, making it one of the shortest rivers in the world, measuring only about 201 feet (61 meters) in length. The river is known for its clear waters and scenic surroundings, attracting visitors for recreational activities like fishing and hiking. The Roe River is often associated with the nearby Giant Springs State Park, which features one of the largest freshwater springs in the country. The park offers picnic areas, walking trails, and educational displays about the local ecosystem, making it a popular destination for families and nature enthusiasts.