Kluisbergen (Dutch pronunciation: [ˈklœy̯zbɛrɣə(n)]) is a municipality located in the Belgian province of East Flanders. The municipality comprises the towns of Berchem, Kwaremont, Ruien and Zulzeke. On January 1, 2006, Kluisbergen had a total population of 6,161. The total area is 30.38 km² which gives a population density of 203 inhabitants per km². It is well known for its various hills that are popular among cyclists. The town of Ruien is the largest and has some outdoor facilities. Kwaremont has the title of "Artist Village" because of its numerous painters and art galleries. Kluisbergen is also home to the "Kluisbos", a forest which has 2 ancient standing stones, dating back to Roman times.