The forest lies in the Flemish municipalities of Sint-Genesius-Rode , Hoeilaart , Overijse and Tervuren , in Uccle , Watermael-Boitsfort , Auderghem and Woluwe-Saint-Pierre in the Brussels-Capital Region and in the Walloon towns of La Hulpe and Waterloo .
The forest is in the Flemish parts of Sint-Genesius-Rode , Hoeilaart , Overijse and Tervuren , Uccle , Watermael-Boitsfort , Auderghem and Woluwe-Saint-Pierre in the Brussels-Capitale Region and in the Walloon towns of La Hulpe and Waterloo .