Lake Genval is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 located in Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 in the south-east of Brussels

Brussels

Brussels , officially the Brussels Region or Brussels-Capital Region , is the capital of Belgium and the de facto capital of the European Union...

 near the Sonian Forest

Sonian Forest

The Sonian Forest is a forest that lies across the south-eastern part of Brussels, Belgium.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...

 in the municipalities of Rixensart

Rixensart

Rixensart is a Walloon municipality located in the Belgian province of Walloon Brabant. On January 1, 2006 Rixensart had a total population of 21,355. The total area is 17.54 km² which gives a population density of 1,217 inhabitants per km²....

 in Wallonia and Overijse

Overijse

Overijse is a municipality in the province of Flemish Brabant, in Flanders, one of the three regions of Belgium. The municipality comprises the town of Overijse, and the communities of Eizer, Maleizen, Jezus-Eik, Tombeek and Terlanen. On December 31, 2008 Overijse had a total population of 24,410...

 in Flanders

Flanders

Flanders is the community of the Flemings but also one of the institutions in Belgium, and a geographical region located in parts of present-day Belgium, France and the Netherlands. "Flanders" can also refer to the northern part of Belgium that contains Brussels, Bruges, Ghent and Antwerp...

. The river of the lake is named Silver river. The lake is a great leisure place for the people of Brussels. All around the lake there are beautiful houses from the Belle Époque

Belle Époque

The Belle Époque or La Belle Époque was a period in European social history that began during the late 19th century and lasted until World War I. Occurring during the era of the French Third Republic and the German Empire, it was a period characterised by optimism and new technological and medical...

. One of these houses is named Château du lac (Castle of the lake) that is a five star hotel.