The Angrapa (, , , ) is a river that begins in northeastern

Poland Poland, officially the Republic of Poland, , is a country in Central Europe. Poland is divided into Voivodeships of Poland, sixteen voivodeships and is the fifth most populous member state of the European Union (EU), with over 38 mill ...

and ends in the

Kaliningrad Oblast Kaliningrad Oblast (russian: Калинингра́дская о́бласть, translit=Kaliningradskaya oblast') is the westernmost federal subject of Russia. It is a semi-exclave situated on the Baltic Sea. The largest city and admini ...

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...

. Originating in

Lake Mamry Mamry (, ) is a lake in the Masurian Lake District of Poland's Warmia-Mazury Province. It is the second largest lake in Poland, with an area of 104 km2. The lake's maximum depth is 44 m with an average depth of 11 m. It actually comprises ...

, it joins the 101-km-long Instruch at a point near

Chernyakhovsk Chernyakhovsk (russian: Черняхо́вск) – known prior to 1946 by its German name of (Old Prussian: Instrāpils, lt, Įsrutis; pl, Wystruć) – is a town in the Kaliningrad Oblast of Russia, where it is the administrative center of C ...

– variously assessed as lying 140, 169, or 172 kmHydrologia Pojezierza Mazurskiego
/ref> from its source – to form the Pregolya. Its largest tributaries are the 89-km-long Gołdapa, which joins just before the border, and the Pissa (98 km). The name Angrapa is derived from the Old Prussian words ''anguris'' (eel) and ''apis'' (river). The towns of Węgorzewo,

Ozyorsk Ozyorsk (russian: Озёрск) or Ozersk () is the name of several inhabited localities in Russia. ;Urban localities * Ozyorsk, Chelyabinsk Oblast, a town in Chelyabinsk Oblast * Ozyorsk, Kaliningrad Oblast, a town in Ozyorsky District of Kalin ...

and Chernyakhovsk as well as the village of Mayakovskoye, are situated along the course of the Angrapa.

References

See also