THC21 - The start is opposite gate post of entrance to field on the south side, on the unclassified road leading to the A688 Quarrington Hill.  The start is approximately 500 meters south east of the 'Y' Junction to Old Cassop when heading in the direction of Quarrington Hill.  From the start continue south east up the hill to finish opposite traffic sign displaying "bend in the road" and indicating "Reduce Speed Now" on the crest of the hill.