1) International river of Europe 
The Jeker (Dutch, in French: Geer) is a river in Belgium and in the Netherlands. It is a leftbank tributary to the river Meuse. The source of the Jeker is situated near the village of Geer in the Belgian province of Liège. The river is about 54 kilometers (33,5 miles) long, of which 50 kilometers in Belgium (provinces of Liège and Limburg), and ...