The Coginchaug River is a small river located in Connecticut, primarily flowing through the towns of Middletown and Durham. It is a tributary of the Connecticut River, contributing to the region's water system. The river is approximately 10 miles long and is known for its scenic beauty and natural surroundings. The river's watershed supports various ecosystems, providing habitats for local wildlife. It is also a popular spot for recreational activities such as fishing, kayaking, and hiking along its banks. The Coginchaug River plays an important role in the local environment and community.