Great Fountain, Enville to conceive. This, the large fountain, is on a level with the surface of the lake, and composed of five jets, the central one throwing a column of water 150 feet high; the supply being obtained from a large reservoir on the hill, to which it is first pumped by the united action of two engines, each of thirty horsepower.". The water continued to jet for several minutes, until the water in the reservoir was exhausted. The Great Fountain was the early ancestor of similar fountains located in lakes or bays, such as the Jet d'Eau in Geneva, Switzerland, which
Eau d'Heure lakes Eau d'Heure lakes The Eau d'Heure lakes () is a complex of five artificial lakes, forming the largest lake area in Belgium. The dams were built during the 1970s. The lakes are not far from the village of Cerfontaine, south of the city of Charleroi, and the border with France. They are within the municipalities of Cerfontaine (province of Namur) and Froidchapelle (province of Hainaut). The primary river feeding the lakes is the Eau d'Heure. There are five dams and one hydro-electric power station. The largest lake, the "Lac de la Plate Taille", is itself the largest single lake in