Sufnersee is a reservoir between Splügen and Sufers on the Hinterrhein river in the Grisons, Switzerland, surrounded by peaks of the Adula Alps. The Sufers dam was built in 1962. The reservoir has a volume of 17.5 million m³ and its surface area is 0.90 km²."Swiss Dams: Sufers", Swiss Committee on Dams, accessed 3 October 2023 Notes
See also List of lakes of Switzerland List of mountain lakes of Switzerland
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