Číčovské mŕtve rameno

Číčovské mŕtve rameno is a national nature reserve in the Slovak municipalities of Kľúčovec and Číčov. The nature reserve covers an area of 79.9ha of the Danube floodplain area. This reserve protects various water biotopes, rare waterfowl, aquatic plants and a glacial relict, the tundra vole.