The Nasva is
river
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...
in
Estonia
Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, a ...
in
Saare County. The river is 3 kilometres long. It runs from
Mullutu-Suurlaht
Mullutu-Suurlaht (also Mullutu Suurlaht) is the fourth largest lake in Estonia. It is located on the island of Saaremaa, about west of the town of Kuressaare. It has an area of and the max. depth is . Mullutu-Suurlaht is a brackish waterbody th ...
into Suur Katel in the
Baltic Sea
The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden and the North and Central European Plain.
The sea stretches from 53°N to 66°N latitude and from ...
. The river is unique because its water flows in two directions. During the floods in spring, the water flows from the sea into the bay, the opposite of the usual direction of flow.
References
Rivers of Estonia
Saaremaa Parish
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