Jalhay

Jalhay (; ) is a municipality of Wallonia located in the province of Liège, Belgium.

reservoir

locality in the municipality Jalhay, in the High Fens, eastern Belgium

thumb|

Gileppe () is a river in Belgium with a length of about . It is a left tributary of the Vesdre. Its source is in the High Fens of eastern Belgium. The Gileppe flows through an artificial lake (Lac de la Gileppe), built in 1867–78 and enlarged to in 1968–71, created by the Gileppe Dam. The Gileppe flows into the Vesdre between Eupen and Limbourg.