At entrance to quarry, approx. 150 yards from Helpston, Ailsworth road and Marholm, Ufford cross-roads (map ref. TF-030122). Proceed to Helpston where turn left along B1443 to Bainton. Turn left (opposite Church) through Ufford to take the third left turning to Helpston. Proceed through start and onto Helpston. Turn left again onto B1443. Turn left at sharp right hand bend onto Hilly Wood road to Finish at bottom of hill.