The River Stort is a river in England that flows through the counties of Essex and Hertfordshire. It is approximately 27 miles long and is a tributary of the River Lea. The river is known for its scenic beauty and is popular for activities such as walking, cycling, and boating along its banks. The River Stort is also part of the Stort Navigation, a waterway that was constructed in the 18th century to facilitate trade. The navigation includes a series of locks and is used for leisure boating today. The river supports various wildlife and contributes to the local ecosystem.