Massachusetts

Ellisville Harbor State Park

Plymouth41°50′34″N 70°32′13″W / 41.84278°N 70.53694°W / 41.84278; -70.53694 (Ellisville Harbor State Park), Massachusetts

97 acres

Dunn State Park

Worcester42°34′48″N 71°58′12″W / 42.58000°N 71.97000°W / 42.58000; -71.97000 (Dunn State Park), Massachusetts

132 acres

Douglas State Forest

Worcester42°3′30″N 71°47′13″W / 42.05833°N 71.78694°W / 42.05833; -71.78694 (Douglas State Forest), Massachusetts

5,525 acres

Dorchester Shores Reservation

Suffolk42°17′50″N 71°2′44″W / 42.29722°N 71.04556°W / 42.29722; -71.04556 (Dorchester Shores Reservation), Massachusetts

44 acres

Dighton Rock State Park

Bristol41°48′46″N 71°6′23″W / 41.81278°N 71.10639°W / 41.81278; -71.10639 (Dighton Rock State Park), Massachusetts

98 acres

Demarest Lloyd State Park

Bristol41°31′44″N 70°59′0″W / 41.52889°N 70.98333°W / 41.52889; -70.98333 (Demarest Lloyd State Park), Massachusetts

200 acres

D.A.R. State Forest

Hampshire42°27′25″N 72°47′50″W / 42.45694°N 72.79722°W / 42.45694; -72.79722 (D.A.R. State Forest), Massachusetts

1,728 acres

Cutler Park Reservation

Norfolk42°16′16″N 71°11′45″W / 42.27111°N 71.19583°W / 42.27111; -71.19583 (Cutler Park Reservation), Massachusetts

739 acres

Constitution Beach is an 82-acre state park

Suffolk42°23′5.5″N 71°0′36.2″W / 42.384861°N 71.010056°W / 42.384861; -71.010056 (Constitution Beach), Massachusetts

82 acres

Connecticut River Greenway State Park

Franklin, Hampden, Hampshire42°36′27″N 72°32′30″W / 42.60750°N 72.54167°W / 42.60750; -72.54167 (Connecticut River Greenway State Park), Massachusetts

1,048 acres

Cochituate State Park

Middlesex42°18′45″N 71°22′27″W / 42.31250°N 71.37417°W / 42.31250; -71.37417 (Cochituate State Park), Massachusetts

872 acres

Clarksburg State Park

Berkshire42°44′5″N 73°4′35″W / 42.73472°N 73.07639°W / 42.73472; -73.07639 (Clarksburg State Park), Massachusetts

3,629 acres

Chicopee Memorial State Park

Hampden42°10′45″N 72°32′13″W / 42.17917°N 72.53694°W / 42.17917; -72.53694 (Chicopee Memorial State Park), Massachusetts

562 acres

Chestnut Hill Reservation

Suffolk42°20′7″N 71°9′29″W / 42.33528°N 71.15806°W / 42.33528; -71.15806 (Chestnut Hill Reservation), Massachusetts

1 acres

Chester-Blandford State Forest

Hampden42°14′58″N 72°56′58″W / 42.24944°N 72.94944°W / 42.24944; -72.94944 (Chester-Blandford State Forest), Massachusetts

2,776 acres

Charles River Reservation

Suffolk, Middlesex42°21′20″N 71°6′56″W / 42.35556°N 71.11556°W / 42.35556; -71.11556 (Charles River Reservation), Massachusetts

863 acres

Castle Island

Suffolk42°20′15″N 71°0′38″W / 42.33750°N 71.01056°W / 42.33750; -71.01056 (Castle Island), Massachusetts

22 acres

Cape Cod Rail Trail

Barnstable, Massachusetts

Canalside Rail Trail

Franklin, Massachusetts

Camp Nihan Environmental Education Camp

Essex42°29′32.6″N 71°1′11.4″W / 42.492389°N 71.019833°W / 42.492389; -71.019833 (Camp Nihan Environmental Education Camp), Massachusetts

65 acres

Callahan State Park

Middlesex42°20′35″N 71°26′55″W / 42.34306°N 71.44861°W / 42.34306; -71.44861 (Callahan State Park), Massachusetts

958 acres

C. M. Gardner State Park

Hampden42°16′31″N 72°52′14.5″W / 42.27528°N 72.870694°W / 42.27528; -72.870694 (C. M. Gardner State Park), Massachusetts

85 acres

Brook Farm Historic Site

Suffolk42°17′29″N 71°10′26.7″W / 42.29139°N 71.174083°W / 42.29139; -71.174083 (Brook Farm Historic Site), Massachusetts

141 acres

Bristol Blake State Reservation

Norfolk42°6′28.6″N 71°19′5″W / 42.107944°N 71.31806°W / 42.107944; -71.31806 (Bristol Blake State Reservation), Massachusetts

140 acres

The Battle Road Scenic Byway

Mohawk Trail Scenic Byway