Jacobs Hill is a 173-acre (70 ha) open space preserve in Royalston, Massachusetts acquired in 1975 by the land conservation non-profit organization The Trustees of Reservations. The preserve includes scenic vistas, ledges, woodlands, a northern bog, and Spirit Falls, a 30 foot (9.1 m) waterfall. The 22-mile (35 km) Tully Trail passes through the property.