start (gr 894333) on a4146 approx. 180 yds south of the rab junction of the a5/a4146 at kerb line of disused entrance to farm field, 14 yds north of lp 78 and 36 yds. south of lp 80. proceed south along a4146, right at 1st rab, straight on at 2nd rab and left at 3rd rab to turn (5.0 miles) by taking 3rd. exit at rab near soulbury and retracing north along a4146. right at 1st rab, straight on at 2nd rab and left at 3rd rab to finish (gr 894333) on the a4146, almost opposite the start, 26 yds past lp 79 and 178 yds south of the a5.a4146 junction rab.