Wikipedia
Královka
Královka (German: Königshöhe) is a stone observation tower situated 859 metres above the sea level on Nekras Hill in the central Jizera Mountains in the area of Janov nad Nisou, less than a kilometre from Bedřichov. The total height of the tower is 23.5 metres and the viewing platform is at a height of 20.5 metres. 102 stairs lead the visitors to the top of the observation tower.