Astronomy Tower

Hogwarts Castle has 12 major towers and around 12 smaller ones. The tallest of the towers it the Astronomy tower, where students take their astronomy lessons. It’s also the place where Snape kills Dumbledore. The most mysterious tower is the Dark Tower, which is located at the seventh-floor landing and has a prison cell at its top. It’s made of rough stone, has a stone bench, and shackles for the prisoners.