Salt Springs State Park is a Pennsylvania state park in Franklin Township, Susquehanna County, Pennsylvania, in the United States. The park is home to massive hemlock trees that are over 500 years old and are among the largest trees in all of Pennsylvania. The Fall Brook Natural Area within the park is recognized as a part of the Old-Growth Forest Network. The park also features a gorge with three waterfalls on Fall Brook. Salt Springs State Park is 7 miles (11 km) north of Montrose, just off Pennsylvania Route 29. The park is the only state park in Pennsylvania that is managed by a non-profit organization, the Friends of Salt Springs Park. The state owns 405 acres (164 ha) of land and the Friends own an additional 437 acres (177 ha) bringing the total amount of protected land to 842 acres