Rumigny is a commune in the Ardennes department in the Grand Est region in northern France. It lies near Rozoy-sur-Serre, 12 km from Mon Idée on the border with Belgium, at the junction of routes D877 and D977.
Wikipedia https://en.wikipedia.org/wiki/Rumigny,_Ardennes
Coordinates 49°48'36.593" N 4°15'41.06" E