The Quiet Crossing

Four ways would meet here if the eastern one were open. It is not: the stone runs unbroken where an opening ought to be, and it is a different colour from the rest, and it was closed from this side. There is a hollow sound behind the eastern wall, as though the stone were not solid.

Depth 6.

You are reading the dungeon, not walking it. Rooms are only created by people, and only from inside the maze.