Le système karstique de la Lomme, région de Rochefort, cadre général ; The karst network of the Lomme river in the surroundings of Rochefort (Belgium). General context

“La Calestienne” is the strip of Devonian limestones which separates the Ardennes from the Famenne and Condroz regions. It contains the most important karstic phenomena in Belgium. The karst system developed over 10 kilometers along the river Lomme (Lhomme) and its main tributary, the Wamme, in the region of Rochefort, illustrates the main characteristics of the Calestienne. The Calestienne around Rochefort is bordered to the northwest by the wide depression of the Famenne shales, the altitude of which oscillates between 150 and 200 meters. In the southeast of this limestone strip, the Ardenne... Mehr ...