Altdrumman Portal Tomb

Map Reference: H578768 (2578, 3768)



Altdrumman Dolmen stands on flat ground close to a rocky outcrop. It is a tripod structure with good portals and a large backstone. There is only one sidestone. The capstone is about 2.6m long by 2.65m wide and l.1m thick. The portal stones are both 1.2m high and terminate in pinnacles. The chamber is 2.6m long and 1.4m wide. The backstone is 1.5m high by about 2m wide and 1m thick.