title: Pennbrook Run
text: # Pennbrook Run
  
  Pennbrook Run is a 2.91 mi (4.68 km) long second-order tributary to Foster Brook. This is the only stream of this name in the United States.
  
  ## Variant names
  
  According to the Geographic Names Information System, it has also been known historically as:
  
  * Foster Brook
  
  ## Course
  
  Pennbrook Run rises about 0.5 miles southwest of Nichols Run, New York and then flows southwest to meet Foster Brook at Gilmore, Pennsylvania.
  
  ## Watershed
  
  Pennbrook Run drains 3.20 square miles (8.3 $km^2)$ of area, receives about 45.2 in/year (115 cm/year) of precipitation, and is about 93.93% forested.
  
  