The Mamonovka or Banovka (Russian: Мамоновка, Polish: 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.
| Mamonovka | |
|---|---|
 | |
| Location | |
| Country | Russia, Poland |
| Physical characteristics | |
| Mouth | |
• location | Vistula Lagoon |
• coordinates | 54°29′00″N 19°52′01″E / 54.48333°N 19.86694°E |
The Ignatievka River and the Vitushka River are tributaries of the Mamonovka.
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