Hemenway State Forest - Tamworth NH "Hemenway State Forest/Big Pines Natural Area Consisting of glacial carved foothills, this state forest includes Great Hill, Duck Pond and the 135-acre Big Pines Natural Area. The park’s many trails provide great hiking, mountain biking, snowmobiling and cross country skiing opportunities. Don’t miss the outstanding view from Great Hill fire tower, -- a short hike from the parking area on Great Hill Road." Camp 10 was once the location of the Hemenway CCC camp #117 built 5/5/1933.