Middlesex County Looking for a state park or forest? Select from the map or drop down list. - Select a Park or Forest - Chatfield Hollow State Park, Killingworth Cockaponset State Forest, Haddam Connecticut Valley Railroad, Essex Devil's Hopyard State Park, East Haddam George W. Seymour State Park, Haddam Gillette Castle State Park, East Haddam Haddam Meadows State Park, Haddam Hurd State Park, East Hampton Millers Pond State Park, Durham River Highlands State Park, Cromwell Selden Neck State Park, Lyme Wadsworth Falls State Park, Middletown
