Tleń is one of the most popular summer resorts in Bory Tucholskie. The first tourists started to arrive here in the second half of the 19th century, in 1921 the first holiday centres were established. At that time Tleń became a fashionable resort. It is no different today. Situated among forests, by the vast Żurskie Lake, surrounded by Wda Landscape Park, it attracts the lovers of active rest. A new place on the tourist map of Tleń is the Center for Active Nature Conservation of Wda Landscape Park.