- Geology of State Parks - Geology of Connecticut State Parks Bluff Point State Park, Groton Bolton Notch State Park, Bolton Campbell Falls State Park, Norfolk Chatfield Hollow State Park, Killingworth Day Pond State Park, Colchester Dennis Hill State Park, Norfolk Devil's Hopyard State Park, East Haddam Gay City State Park, Hebron Gillette Castle State Park, East Haddam Hammonasset State Park, Madison Haystack Mountain State Park, Norfolk Kent Falls State Park, Kent Kettletown State Park, Southbury Macedonia Brook State Park, Kent Mansfield Hollow State Park, Mansfield Millers Pond State Park, Durham Mount Tom State Park, Litchfield Osbornedale State Park, Derby Penwood State Park, Bloomfield Putnam Memorial State Park, Redding Rocky Neck State Park, East Lyme Sherwood Island State Park, Westport Southford Falls State Park, Southbury Wadsworth Falls State Park, Middlefield
