Rengen

Rengen is a lake on the border between Sweden and Norway. The 21.49 km2 lake covers 15.72 km2 in Norway and 5.77 km2 in Sweden. The Norwegian part is located in the municipality of Lierne in Trøndelag county, and the Swedish part is located in the municipality of Krokom in Jämtland County. Water flows into Rengen from the lake Ulen to the north.