Lac des Truites is a lake in the municipality of Soultzeren (Haut-Rhin, France).GeographyAt an elevation of 1066 m, its surface area is 0.028 km². Is the highest lakes of the Vosges massif.ToponimyThe name of the lake is a mistranslation of the German name Forlenweier. Frenchifying the toponyms of Alsace, the French authorities misread Forle as diminutive of Forelle (in French truite, in English trout) when in fact it is a diminutive of Föhre (pin, pine). The lake has various names, and on maps can be seen as Lac du Forlet.