Świder River in Poland From Wikipedia, the free encyclopedia The Świder[1] is a river in Masovia, Poland. It is a tributary to the Vistula near Otwock. CountryPolandlocationVistulacoordinates52°05′59″N 21°12′53″EProgression‹See Tfd› Vistula→ Baltic SeaQuick facts Location, Country ...ŚwiderŚwider River in OtwockLocationCountryPolandPhysical characteristicsMouth • locationVistula • coordinates52°05′59″N 21°12′53″EBasin featuresProgression‹See Tfd› Vistula→ Baltic SeaClose References [1]"Świder River, Poland". locationscout.net. Retrieved 17 March 2026. This Masovian Voivodeship location article is a stub. You can help Wikipedia by adding missing information.vteThis article related to a river in Poland is a stub. You can help Wikipedia by adding missing information.vte Related Articles