The Obion River is a tributary of the Mississippi River, located in the western part of Tennessee. It flows approximately 85 miles, starting near the town of Obion and winding through several counties before joining the Mississippi. The river is an important waterway for local ecosystems and supports various wildlife habitats. The Obion River is also significant for agriculture in the region, providing irrigation for nearby farms. Its watershed includes several smaller streams and lakes, contributing to the area's natural beauty. The river is popular for recreational activities such as fishing, boating, and birdwatching.