Poulnabrone Dolmen (Poll na mBrón in Irish meaning "hole of sorrows") is a portal tomb in the Burren, County Clare, Irelan, dating back to the Neolithic period, probably between 4200 BC to 2900 BC. It is situated 8km (5 miles) south of Ballyvaughan and 9.6km (6 miles) north-west of Kilnaboy. (grid ref: 123 200)