Circuit around the Black Mountain. It can be greatly simplified by not continuing from Černá Hora down the yellow line to Zrcadlové boudy, but back along Václavek towards Kolínská. The entrance to the transmitter is officially forbidden and there is no view from its surroundings ;)
Of the twenty highest peaks in the Czech Republic, 15 of them are located in the Krkonoše Mountains. In total, there are 54 main peaks in the Czech part of the Krkonoše Mountains higher than 1,000 metres and 19 secondary peaks exceeding 1,000 metres.