This pylon (K) measures 105 feet in length, 33 feet in width, and 60 feet in height.

It contains no chambers, but only a narrow staircase, which leads to the top of the gate, and thence up to the towers.

Four long grooves in the facade, reaching to a third of its height, correspond to four quadrangular openings cut through.

the whole thickness of the masonry.

Here were fixed four great wooden masts, formed of joined beams and held in place by a wooden framework fixed in the four openings above mentioned.