The top bob-sleigh tracks with all year operation are intended for all visitors of the Krkonoše (Giant Mountains). The track in Špindlerův Mlýn has been in operation since 1997 and by technical parameters it belongs among the most attractive ones in the world, the track of Harrachov directly in the centre of the town is, as the first track in the Czech Republic, heated along the whole route and the first lovers drove on it in July, 2004.