The Musselshell River is a tributary of the Missouri River located in central Montana, USA. It flows approximately 150 miles through a diverse landscape, including rolling hills and valleys. The river is known for its scenic beauty and provides habitat for various wildlife species. The river's watershed supports agriculture and ranching, contributing to the local economy. Recreational activities such as fishing, kayaking, and hiking are popular along its banks. The Musselshell River is also significant for its historical importance, as it was used by early settlers and explorers in the region.