Fifteenmile Creek (Potomac River tributary)

Fifteen Mile Creek
Fifteen Mile Creek (with C&O Canal Aqueduct over it)
Physical characteristics
Mouth 
  location
Potomac River
Length19.9 mi (32.0 km)

Fifteenmile Creek is a 19.9-mile-long (32.0 km) tributary stream of the Potomac River in the U.S. states of Maryland and Pennsylvania. The creek enters the Potomac River through Maryland's Green Ridge State Forest.