Hopkinton State Park 
164 Cedar St
Hopkinton, MA 01748
508-435-4303
http://www.mass.gov/eea/agencies/dcr/massparks/region-north/hopkinton-state-park.html
State Park: Bike, Birding, Fish, Hike, Horse, Picnic, RV, Snow Sports, Walk, Water Sports
Activities include bicycling, non-motorized boating, hiking, horseback riding, picnicking, cross-country skiing, snowmobiling and swimming. A group use area which includes a pavilion, playing field, restrooms, picnic tables and grills is available by reservation during the summer.