The Ourthe is a river located in the Walloon region of Belgium. It is approximately 150 kilometers long and flows through the provinces of Liège and Luxembourg. The river is a tributary of the Meuse and is known for its scenic landscapes and recreational activities, such as kayaking and fishing. The Ourthe has several tributaries, including the Ourthe Orientale and Ourthe Occidentale. It passes through charming towns like La Roche-en-Ardenne and Durbuy, attracting tourists with its natural beauty. The river plays an important role in the local ecosystem and supports various wildlife species.