The Shenango River is a tributary of the Ohio River located in western Pennsylvania and eastern Ohio. It flows approximately 70 miles, starting from the Pymatuning Reservoir in Pennsylvania and winding through several towns before joining the Ohio River near New Castle. The river is known for its recreational opportunities, including fishing, kayaking, and hiking along its banks. It supports a variety of wildlife and is an important resource for the local ecosystem. The Shenango River also plays a role in the region's history, having been a vital waterway for transportation and commerce in the past.