There are 17 named tributaries of the main stem of Fishing Creek, a 30-mile-long (50 km) stream in Columbia County, Pennsylvania, in the United States and a tributary of the Susquehanna River. The creek also has numerous sub-tributaries. The creek's watershed has an area of 385 square miles (1,000 km2). The watersheds of Little Fishing Creek and Huntington Creek, Fishing Creek's two largest tributaries, make up nearly 45 percent of the Fishing Creek watershed (182.1 square miles (472 km2)).