Largest tributaries
The Pregolya or Pregola is a river in the Russian Kaliningrad Oblast exclave. Its length is 123 km, 292 km. The basin has an area of 15,500 km2. The average flow is 90 m3/s.
The Pregolya or Pregola is a river in the Russian Kaliningrad Oblast exclave. Its length is 123 km, 292 km. The basin has an area of 15,500 km2. The average flow is 90 m3/s.
