 The track extended across the now largely drained marsh between what was then an island at Westhay and a ridge of high ground at Shapwick , a distance close to 2 @,@ 000 metres ( 6 @,@ 600 ft ) . The track is one of a network that once crossed the Somerset Levels . Various artefacts , including a <unk> ceremonial axe head , have been found along its length . 
