Lac de Vaivre is an artificial lake in Vaivre-et-Montoille, in Haute-Saône, France. At an elevation of 210 m, its surface area is 0.93 km2.
Wikipedia https://en.wikipedia.org/wiki/Lac_de_Vesoul_–_Vaivre
Coordinates 47°38'7.849" N 6°6'58.19" E