Tionesta Creek is a tributary of the Allegheny River in Forest, Clarion, Warren, McKean, and Elk Counties in Pennsylvania in the United States. Together with its West Branch, Tionesta Creek is long, flows generally south, and its watershed is in area. See also List of rivers of Pennsylvania List of tributaries of the Allegheny River References External links U.S. Geological Survey: PA stream gaging stations Rivers of Pennsylvania Tributaries of the Allegheny River Allegheny National Forest Rivers of Clarion County, Pennsylvania Rivers of Forest County, Pennsylvania Rivers of McKean County, Pennsylvania Rivers of Warren County, Pennsylvania Rivers of Elk County, Pennsylvania