The Yankton River is a tributary of the Missouri River, located in the southeastern part of South Dakota. It flows through the city of Yankton and is known for its scenic beauty and recreational opportunities, including fishing and boating. The river plays a significant role in the local ecosystem and supports various wildlife species. The river's course is approximately 50 miles long, winding through rolling hills and lush landscapes. It is an important waterway for the region, providing water resources for agriculture and serving as a natural boundary between South Dakota and Nebraska. The Yankton River is also a popular spot for outdoor activities and community events.