Stausee Mapragg
Pfäfers, Switzerland · built 1976
Stausee Mapragg (Mapragg reservoir) is located at Pfäfers in the Canton of St. Gallen, Switzerland. Its surface area is 26 ha (64 acres). The reservoir and Gigerwaldsee are operated by Kraftwerke Sarganserwald (NOK group) for pumped-storage hydroelectricity.
Reservoir data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).