The highest point is the Černá hora mountain at 1,299 m (4,262 ft) above sea level.

According to the chronicle of Simon Hüttel, a hot spring was discovered here on 6 June 1006 by Jan of Chockov, after whom the town was later named.

Janské Lázně and the top of the Černá hora mountain are connected by a cable car.

[6] Janské Lázně is known for its ski resort and have a reputation of both summer and winter sports centre.

It was host of the 1925 FIS Nordic World Ski Championships and 1937 Workers' Winter Olympiad.

[8] To the west of the town, there is the Krkonoše Tree Top Trail, a frequent tourist destination.