Quaddick Lake is a man-made reservoir located in the town of Dudley, Massachusetts. It was created in the early 20th century by damming the Quaddick River, primarily for recreational purposes and to provide water supply. The lake covers approximately 400 acres and is popular for activities such as fishing, boating, and swimming. It is surrounded by scenic landscapes and offers access to various trails, making it a favored spot for outdoor enthusiasts and nature lovers.