The headstone, otherwise known as the Sacrificial Stone, the Great or the Bowstone, is a geological monument of national importance. In earlier times this stone had special mythological significance. The boulders are irregular in shape: their top is flat but uneven, with precipitation water retaining in one recess, severely fragmented on one side. It measures 1.55 m high, 5.61 m long, 5.4 m wide and has a total circumference of 17.6 m.