ArchitecturePhra Sumen Fort

Phra Sumen Fort is an octagonal building built with brick and stucco which faces Banglamphu Canal. The fort with a double wall has 3 step gateways, merlons and crenels.The outer wall is separated from the inner wall by a wall with pointed boundary markers on top. There is A door to the front of the fort. The front part of the outer wall has large rectangular merlons with small cross-shaped holes. The inner wall has a step gateway at the back side, and pointed boundary markers are on top of the inner wall and 4 pointed arches are cut through below on each side. The inner ward is divided into rooms for keeping black-powder ammunition and weapons, while the upper part of the inner wall is the battle tower.