The North Tower is the northernmost tower, it is round and on a corner of the wall between it and the also round East Tower. The entrance building is between the two, but closer to the East Tower.
Yedikule North tower from side of entrance in 2006 3400
Yedikule Entrance gate from positions (south)east in 2012 6384
Yedikule Entrance gate from positions (south)east in 2012 6385
Yedikule Entrance gate from positions (south)east in 2012 6388
Yedikule Entrance gate from positions (south)east in 2012 6405
Yedikule North tower from west in 2006 3410
Yedikule North tower from west in 2006 3415
Yedikule North Tower from Tower of Ahmet III in 2006 3404