| Marycha | |
|---|---|
|
Marycha near Sejny
|
|
| Country | Poland, Lithuania, Belarus |
| Basin features | |
| River mouth | Czarna Hańcza |
| Basin size | 432.4 km2 (167.0 sq mi) |
| Physical characteristics | |
| Length | 80.8 km (50.2 mi) |
Marycha (Lithuanian: Seina) is a small river that serves as the natural Polish–Lithuanian and Lithuanian–Belarusian border. It starts around Puńsk, flows through the town of Sejny, passes through Pomorze Lake. It is a tributary of Czarna Hańcza.
Coordinates: 53°54′N 23°39′E / 53.900°N 23.650°E