Hopkinton State Park includes a little bit of everything: 1,500 acres of forest crisscrossed by hiking trails, beaches, stocked fishing, first-come-first-served picnic areas, and 2 reservable group picnic sites: Main Beach Pavilion and Split Rock Group Picnic Site. For parking, hours, reservations, downloadable trail map, rules and regulations, etc... Website: https://www.mass.gov/locations/hopkinton-state-park Phone: (508) 435-4303 Email: Hopkinton.park@state.ma.us For any emergencies within the park, please contact the Park Ranger at 857.208.4550 (between May-October) or 911 Important notes: There are unmarked and unmaintained trails throughout the park. Wilderness preservation efforts are in place for these trails for wildlife and habitat protection. Please keep within boundaries of blazed marked trails. Leave all trails as they are and no leaf blowing to prevent erosion. Follow “Leave No Trace” principles. There are posted "No Parking" signage throughout the park and reservoir. Be mindful of where/how your vehicle is located. Violators will receive a ticket.