Small rectangular towers stood at three of the corners of the wall.

At that time it consisted of a simple rectangular tower with a narrow gateway.

It was a rectangular tower with a wooden gallery on the upper part.

Construction on the lower rectangular tower began in 1481 or 1483 and continued until 1489.

At each end of the crenellated curtain wall was a rectangular tower.

The most conspicuous object currently on the hill is the base of a rectangular tower.

The main entrance was in the western rectangular tower.

A rectangular great tower was added on the motte in the 12th century.

Four rectangular defensive towers were located in each corner of the wall.

Each keep is three stories high, typical of rectangular towers of its day.