Mamonovka

The Mamonovka or Banovka (Мамоновка, Banówka) is a river between Russia (Kaliningrad Oblast) and Poland (Warmian-Masurian Voivodship). It flows into the Vistula Lagoon. It is 51 km long and has a 311 km2 drainage basin.

The Ignatievka River and the Vitushka River are tributaries of the Mamonovka.