Which tower at Hogwarts is the divination classroom on the top floor?

Yes . . . . The following is the third original. People went to the first class and the auditorium began to empty. Ron checked his schedule. "Let's go, look, divination in the north tower roof. We have to walk ten minutes to get there. They hurried through their breakfast, said goodbye to Fred and George, and walked back from the auditorium. They passed through Slay.