68 BRIDGE. This area is a cobbled stone bridge to the Ground Level of the Inner Ward. It is open to the sky and affords a view of the steep drop to the south. It traverses a rushing river which flows from north to south and has a depth of about ten feet. The river emerges from a series of arches in the wall to the north and before reaching this point it is underground beneath the mountainside. The river becomes a steep waterfall just a few feet south of the castle, plunging down about 40 feet and emptying into a small lake before continuing as a river to the south.