The Blackwater River is a river located in the eastern United States, primarily flowing through West Virginia and Virginia. It is known for its dark, tea-colored waters, which are a result of the tannins leached from surrounding vegetation. The river is approximately 50 miles long and is a popular destination for outdoor activities such as fishing, kayaking, and hiking. The Blackwater River is part of the Blackwater Falls State Park, which features stunning waterfalls and scenic views. The park is home to diverse wildlife and offers various trails for visitors to explore. The river's unique ecosystem and natural beauty make it an important area for conservation and recreation.