The Quinebaug River is a 38-mile-long river located in the northeastern part of Connecticut and extends into Massachusetts. It is a tributary of the Thames River and flows through several towns, including Putnam and Thompson. The river is known for its scenic beauty and is a popular spot for recreational activities such as fishing, kayaking, and hiking along its banks. The Quinebaug River is part of the Quinebaug and Shetucket Rivers Valley National Heritage Corridor, which highlights the region's cultural and historical significance. The river's watershed supports diverse ecosystems and provides habitat for various wildlife species. Conservation efforts aim to protect the river's natural resources and promote sustainable use.