 The two towers are linked to the main building by a crenallated curtain wall where additional cannon were emplaced in two embrasures on the north parapet and one on the south.The castle's principal buildings are situated on the east side of a rectangular courtyard within which stand two large Turkey oaks, said to have been grown from acorns brought from Crimea after the Crimean War.A stone curtain wall topped with brick surrounds the courtyard, standing about thick and high.