Pitragupe is a river flowing into the Baltic Sea in Dundaga region. It flows in a northerly direction, crossing the slope of the Slītere "Blue Hills" along a deep ravine. Go to the sea between Košrags and Pitrags. The river is crossed by the highway P125.

  Source – at Lapmežciems
  Name upstream – Kukšupe
  Flows – The Baltic Sea
  Basin countries – Latvia
  Length – 14 km
  Fall – 71 m
  The pool area – 41 km²
  The main tributaries – of Zviedrgravis