Hengsteysee
The Hengsteysee ( Lake Hengstey ) is a reservoir on the Ruhr river between the cities of Hagen , Dortmund and Herdecke , North Rhine-Westphalia , Germany . 
<triplet> Hengsteysee <subj> Ruhr <obj> lake outflow <subj> Germany <obj> country <triplet> Ruhr <subj> North Rhine-Westphalia <obj> located in the administrative territorial entity <subj> Germany <obj> country <triplet> Hagen <subj> Ruhr <obj> located in or next to body of water <subj> Dortmund <obj> shares border with <subj> Germany <obj> country <triplet> Dortmund <subj> Ruhr <obj> located in or next to body of water <subj> Hagen <obj> shares border with <subj> Herdecke <obj> shares border with <subj> Germany <obj> country <triplet> Herdecke <subj> Ruhr <obj> located in or next to body of water <subj> Dortmund <obj> shares border with <subj> Germany <obj> country <triplet> North Rhine-Westphalia <subj> Germany <obj> country <triplet> Germany <subj> North Rhine-Westphalia <obj> contains administrative territorial entity