The castle is constructed on a rocky mount jutting out into the River Wyvern. It is square in plan and has two concentric lines of fortification. The first line of defence is an outer curtain wall of 300 feet on the side, encircling the entire castle and forming the outer ward.
The stronghold is situated on a rocky outcropping protruding into the River Wyvern. Its design is characterized by a square shape and two concentric defensive layers. The primary defense mechanism comprises an outer wall, measuring 300 feet in length, encircling the entire fortress and creating the outer courtyard.