Hikes›United States›Massachusetts›Mystic River ReservationHikes in Mystic River ReservationSpy PondDay hike · 17.6 km · ↑ 42 mWinter HillDay hike · 19.1 km · ↑ 151 mLower Mystic LakeDay hike · 3.0 km · ↑ 0 mUpper Mystic LakeDay hike · 8.1 km · ↑ 0 mWellington GreenwayDay hike · 2.3 km · ↑ 0 m