start on the a31 romsey road at a gpo inspection chamber cover at the northern end of the lay-by 50 yards south west of the entrance to copythorne infant school. gr 307148. proceed south west to cadnam roundabout (1.10) gr 295135. turn left (first exit) onto the a336 and continue to the roundabout at netley marsh (3.75) gr 336130. turn left (first exit) onto the a326. straight on at the next roundabout, (4.35) gr 335139. take the next slip road (left) at brooke’s hill interchange to the roundabout (5.67) gr 331158. turn right caution (second exit,) and proceed to:- turn left onto the a31 just before crossing the motorway near ower (gr 326161) continue over copythorne hill passing the start (7.55 miles) continue for two more laps. (22.65 miles) continue as before to:- finish at the eastern end of the bartley lay-by opposite chinham road gr315129. (25 miles)