Rivers of the Ardennes (Belgium)

The Meuse or Maas is a major European river, rising in France and flowing through Belgium and the Netherlands before draining into the North Sea from the Rhine–Meuse–Scheldt delta. It has a total length of .

river in Belgium and France

The Roer (, ) or Rur (; ) is a major river that flows through portions of Belgium, Germany and the Netherlands. It is a right (eastern) tributary to the Meuse (). About 90 percent of the river's course is in Germany.

The Semois (; Simwès in Walloon, often under elided form Smwès; Semoy, Sesbach in German, Setzbaach in Luxembourgish of Arlon; and known as the Semoy in France) is a river flowing from the Ardennes uplands of Belgium and France towards the Meuse, of which it is a right tributary.

The Sauer (German and Luxembourgish, , ) or Sûre (French, ) is a river in Belgium, Luxembourg and Germany. A left tributary of the Moselle, its total length is .

The Ourthe (; Walloon: ''Aiwe d' Oûte'') is a river in the Ardennes in Wallonia, Belgium. It is long.

river in Belgium, mouth in Ourthe river

river in Belgium, Germany and Luxembourg

The Vesdre (), Weser () or Vesder () is a river in Liège Province, eastern Belgium.

river in Belgium and Luxembourg

thumb|The Lesse and its tributary the Lomme (river)|Lomme in Belgium The Lesse is a river in the Ardennes, in the Walloon region of Belgium. It is a right tributary to the river Meuse.

river in Belgium and Luxembourg

The Geul (, ; ; ) is a river in Belgium and in the Netherlands, where it is a right-bank tributary to the river Meuse.

thumb|The Warche in MalmedyThe Warche is a river in eastern Belgium (province of Liège).

The Olef is a river in Liège, Belgium and North Rhine-Westphalia, Germany. It is long and a left-hand tributary of the Urft. It flows through the Eifel Mountains in the western part of the Germany and eastern part of Belgium.

The Hoëgne is a river in Belgium, a left tributary of the Vesdre. Its source is in the High Fens of eastern Belgium, near the Signal de Botrange. The Hoëgne flows through Theux, and ends in the Vesdre in Pepinster.

river in Belgium

river in Belgium

thumb|250px|The pool of Diana

Lienne is a river in Belgium. It flows for through the province of Liège in the northern-central part of the country.

river in Belgium and France

Chefna is a river of Belgium. It springs in Ville-au-bois and flows for through the province of Liège, before emptying into the Amblève.

river in Belgium

underground river in Belgium

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.