Black Tower
(Czech: Černá věž)
The Black Tower is one of the oldest existing buildings in Prague. It was built in 1135 as an eastern gate of the Romanesque fortification of the Prague Castle. Its 30 metres high and the walls are up to 3 metres thick.
Before the big fire in 1541, the tower roof was plated in gold and was called the Golden Tower. After the fire, towers walls remained black and was renamed to Black Tower.
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Suggested Duration: one hour trip


