Rock Creek IL

Rock Creek is a tributary of the Potomac River, in the United States, that empties into the Atlantic Ocean via the Chesapeake Bay. The 32.6-mile creek drains about 76.5 square miles. Its final quarter-mile is affected by tides.
  • State: Maryland
  • County: Montgomery County, Maryland
  • Cities: Rockville, Maryland · Washington, D.C.
  • Length: 32.6 miles (52.5 km)
  • Basin size: 76.5 square miles (198 km²)
  • Landmarks: Rock Creek Park
  • Waterbodies: Lake Needwood
Data from: en.wikipedia.org