Lac d'Émosson
Lac d'Émosson is a reservoir in the canton of Valais , Switzerland . 
<triplet> Lac d'Émosson <subj> Valais <obj> located in the administrative territorial entity <subj> Switzerland <obj> country <triplet> Valais <subj> Switzerland <obj> country <triplet> Switzerland <subj> Valais <obj> contains administrative territorial entity