- Gillette Castle State Park has food concessions, picnic shelter, visitor center. The large castle also has several attractions in it.
Recreation - Gillette Castle State Park has opportunities for hiking, picnicking, historic building touring, and river camping.
Climate - The climate of this state involves a moderate amount of humidity, heat and cold. Summer highs reach 90 degrees F with low temperatures near 65 degrees. Evenings near the water can become cool and light jackets and sweaters are recommended. Winter temperatures average in the mid thirties during the day and in the teens at night. Rarely do temperatures dip to zero, especially in the southern portion of the state, where the water influences the more temperate weather.
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.