The Dungeon Hall is a large vaulted chamber in the Dungeons
of Hogwarts Castle. It is located at one end of the Dungeon Corridor
. A staircase leads off one of the walls here, at the bottom of which is the entrance to the Slytherin Dungeon. A room near this hall was once used by the young Rubeus Hagrid to house his pet Acromantula, Aragog.