. "The Sormonne (French: la Sormonne) is a 56.5 km (35.1 mi) long river in the Ardennes d\u00E9partement, northeastern France. Its source is at Taillette, near Rocroi. It flows generally southeast. It is a left tributary of the Meuse into which it flows at Warcq, near Charleville-M\u00E9zi\u00E8res."@en . "56500.0"^^ . "140.0"^^ . "Sormonne"@en . "350.0"^^ . . . "6.36"^^ . "4.11e+08"^^ .