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.