The entrance of the Ravenclaw common room can be found off the fifth-floor corridor and it leads into a tower with it being one of the biggest common rooms of Hogwarts.

The Astronomy Tower is the tallest tower of Hogwarts and is where Astronomy class is held.

The Owlery holds all of the school's owls as well of a place for the student's owls to sleep and eat. Students without an owl and need to mail something off can come here to use an owl free of charge.