This dun stands on a rocky outcrop about 290 m ENE of Calgary Pier, overlooking the north shore of Calgary Bay. There are sheer rock-faces on all sides except the north where access to the summit is easy. The dun is roughly oval in shape. The wall was originally about 3.0 m thick and surrounds an inner space measuring 14.5 m by 7.5 m. Intermittent stretches of the lowest course of the outer wall survive on the west end, but most of the rest of the wall has been removed, probably to provide stone for a group of comparatively recent, ruined buildings that lie at the foot of the outcrop on the north side. The position of the entrance is unclear.
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Grid Reference NM 367 515