Esneux is a Walloon municipality located in the Belgian province of Liège. On January 1, 2006, Esneux had a total population of 13,072. The total area is 34.05 km2 (13.15 sq mi) which gives a population density of 384 inhabitants per km². Esneux is constituted of a series of villages : Esneux, Méry, Hony, and Tilff. They are all to be found in the valley of the Ourthe river south of Liège. A railway line links the 4 villages (and then continues further south to Luxembourg). In Esneux, the largest giant sequoia of Belgium can be found.