This 82-acre natural lake boasts the Lake Dennison Recreation Area, offering picnic areas, hunting, hiking, campgrounds and a swimming beach managed by the Commonwealth of Massachusetts. Tent campers, RV'ers and day use visitors make the area a popular summer destination. Winter activities include snowmobiling and cross-country skiing. For up-to-date information, call (978) 249-4467.

To Lake Dennison from MA 2, US 202 north 6 miles. Dam on MA 68 4 miles west of US 202.