Well worth the small entry fee. Some steep steps to the top are worth the effort. The tower has an interesting history that you can read about at the entrance. You efforts will be rewarded with a fabulous view over the patchwork of terracotta roofs of the town. A great opportunity for some photos over the town to the castle and out over the harbour and lake. The clock chimes it's bell so watch out every 15 mins. You can also ring the big bell yourself, confusing all below.
Strongly recommend it.
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