 Two of the smallest Pennsylvania state parks, Prouty Place State Park and Patterson State Park are in Summit Township.According to the United States Census Bureau, the township has a total area of 49.4 square miles (127.9 km²), all of it land.Summit Township is bordered by Sweden Township to the north, Ulysses and West Branch Townships to the east, Wharton Township to the east and south, and Sylvania and Homer Townships to the west.