Barvaux-sur-Ourthe (French pronunciation: [baʁvo syʁ uʁt], lit.
'Barvaux on Ourthe'; Walloon: Barvea-so-Oûte) is a village of Wallonia and a district of the municipality of Durbuy, located in the province of Luxembourg, Belgium.
It is situated on the Ourthe river, in the Ardennes forest in eastern Belgium.
With a traditional farming history going back hundreds of years, after World War II it became a vibrant tourist destination, often visited in conjunction with Durbuy, the so-called smallest city in the world.
Barvaux has a railway station which is on the line running between Liège and Marloie via Marche-en-Famenne.