. . "89000.0"^^ . . . . "480.0"^^ . "The Lesse is a river in the Ardennes, in the Walloon region of Belgium. It is a right tributary to the river Meuse.The source of the Lesse is near Libramont-Chevigny, in the Belgian province of Luxembourg. The Lesse flows roughly in north-western direction. Near Han-sur-Lesse (municipality of Rochefort) the entire river goes underground, flowing through limestone caves."@en . "Lesse"@en .