Gillette Castle State Park
67 River Road
East Haddam, CT 06423
From I-91S: take Exit 22. Route 9S, Exit 7, for a bridge crossing of the Connecticut River. Follow route 82E and park signs.
From I-95N or S: take Exit 69. Route 9N to Exit 6 or 7. For the Chester-Hadlyme Ferry, use Exit 6. Follow Route 148 and park signs. The ferry operates spring through fall.