A smaller group of 555 stones, further to the east of the other two sites. It is composed of 13 lines with a total length of about 800 metres (2,600 ft), ranging in height from 80 cm (2 ft 7 in) to 4 m (13 ft).[12] At the extreme west, where the stones are tallest, there is a stone circle which has 39 stones. There may also be another stone circle to the north.[citation needed]