Belfast Castle, Belfast, Co. Antrim Phone : +44 (0) 28 9077 6925 / 9037 1013 Interesting archaeological and natural features. Climb Cave Hill past Neolithic caves for a panoramic view from MacArt's Fort . United Irishmen planned rebellion on this hilltop in 1798 . Walks and Adventure playground . Heritage centre located inside Belfast Castle . Open daily 9am - 6pm Free admission. Numerous access points. Parking at Belfast Zoo, Hazelwood, Carrs Glenn and Wallace Estate. |