Piscataway Creek is an tributary of the Potomac River in Prince George's County, Maryland. The creek is a tidal arm of the Potomac for its final , entering the Potomac at Fort Washington Park. Tinkers Creek is a tributary to Piscataway Creek, converging from the north upstream of the mouth of the Piscataway. The United States Geological Survey records two variant names for Piscataway Creek: Pascattawaye Creek and Puscattuway Creeke. The Fort Washington Light was built to provide guidance for mariners entering Piscataway Creek from the Potomac River. See also List of Maryland rivers References External links U.S. Geological Survey water data for Piscataway Creek at Piscataway, Maryland NOAA nautical chart 12289 National Park Service – Piscataway Park Rivers of Prince George's County, Maryland Rivers of Maryland Tributaries of the Potomac River