Kadaň is a tourist centre with highlights being the Franciscan Monastery and the historical square with late Gothic Town Hall Tower.
The highest point is the hill Dubový vrch at 691 m (2,267 ft) above sea level, located on the southern border of the territory.
Its main purpose is to ensure a minimum flow under the reservoir, but it also serves for the energy use and for recreation and water sports.
[6] The first written mention of Kadaň is from 1183. it was probably founded as a market settlement during the colonization of the area at the turn of the 11th and 12th centuries.
However, King Charles IV granted it several municipal rights (a vineyard, and an annual market) that made it flourish again.
Jan Hasištejnský of Lobkowicz founded the Franciscan Monastery and the Church of the Fourteen Holy Helpers.
[3] In 1534, "Kadaň religious peace" was negotiated here between Württemberg Protestants and Emperor Ferdinand I for the Catholic side.
The Kadaň Castle remained a ruin until the second half of the 18th century, when it was rebuilt into barracks by Empress Maria Theresa.
[3] After the Munich Agreement in 1938, Kadaň was annexed by Nazi Germany and administered as part of Reichsgau Sudetenland.
The local Czechs were forced to move to central Czechoslovakia and the Jewish community was sent to concentration camps in Germany.
According to Beneš decrees, after World War II, the German population was expelled and the area was re-settled by Czechs.
The largest employers based in the town are the Kadaň Hospital, Hunter Douglas (a manufacturer of window coverings) and SD – Kolejová doprava (transporter of coal by rail).
The historically tuned festival is accompanied by a music and theatre program on stage, a show of crafts and period costumes, games for children and others.
The Franciscan Monastery in Kadaň with the Church of the Fourteen Holy Helpers was founded in the 15th century by Jan Hasištejnský of Lobkowicz, who is buried there.
The building still serves its original purpose and is one of the best preserved Gothic town halls in the Lands of the Bohemian Crown.
[22] From the square leads the narrowest lane in the Czech Republic, Katova ulička (meaning 'hangman's alley').
[23] Benjamin Constant set a part of his famous novel Adolphe (1816) in Kadaň, referring to it as Caden, petite ville de la Bohême.