Slovanka, the oldest iron observation tower in Bohemia, is situated at the top of the hill Slovanka in the Jizera Mountains, at an altitude of 820 metres, not far from the town Janov nad Nisou. The tower is 11 metres high, 14 metres including the base. It is permanently accessible and the access is free of charge. We spent our family holiday in the vicinity and visited the observation tower twice. I would say that there is nothing spectacular about the tower, yet it looks good, there is a nice view from its top and also, it represents an interesting piece of history. The tower was constructed according to a…