title: Jacks Run (Sewickley Creek tributary)
text: # Jacks Run (Sewickley Creek tributary)
  
  Jacks Run is a 9.44 mi (15.19 km) long 3rd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.
  
  ## Course
  
  Jacks Run rises about 0.5 miles southwest of Hannastown, Pennsylvania, and then flows southwest to join Sewickley Creek at Youngwood.
  
  ## Watershed
  
  Jacks Run drains 28.58 square miles (74.0 $km^2)$ of area, receives about 42.2 in/year of precipitation, has a wetness index of 378.89, and is about 34% forested.
  
  