Bortelsee
Bortelsee is a reservoir in the municipality of Brig in the canton of Valais , Switzerland . 
<triplet> Bortelsee <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