Lake Dennison is a section of the Army Corps of Engineers Birch Hill Flood Control Project. The DCR, via Otter River State Park staff, manages 4,221 acres of Corps land for recreational use. Located in Winchendon, the park has 150 campsites. There is a swimming beach on Lake Dennison.
You can access more than 50 miles of trails from the campground.
Come take part or watch the annual Massachusetts Triathlon, which both celebrates the local community and encourages health and fitness.
Reserve a campsite right next to 50 miles of trails.
All Activities at Lake Dennison Recreation Area
Canoeing and kayaking
Facilities at Lake Dennison Recreation Area
Boat ramp (car top)
Trailer / R.V. dumping