The Sure River is one of four main rivers in Luxembourg; the others are the Alzette
, the Moselle
, and the Our
. The Sure rises in southeastern Belgium, then cuts across Luxembourg, flowing west to east, emptying into the Moselle
. It is dammed just west of Esch-sur-Sure
in central Luxembourg, forming a lake, and the Upper Sure National Park
. The Sure forms part of the border between Luxembourg and Germany, between Reisdorf
The Our is a major tributary of the Sure, joining it at Reisdorf.