grid ref inter miles 898007 start in london road great missenden at a point approximately half a mile east of the village at the edge of a rough area approximately 20 yards from the gates of the recreation gound and approximately 30 yards from the 40/no entry sign proceed south east to the junction with a413 0.63 898014 turn left (m1) on a413 to the roundaboutat the junction of a413/ b485 1.04 1.67 continue (m2) on a413 to the link road roundabout at great missenden 0.11 1.78 870072 continue (m3) on a413 to the roundabout at the southern end of the wendover by pass 3.68 5.46 856086 continue (m4) on a413 to the roundabout at the junction of a413/ b4009 1.67 7.13 870072 circle roundabout (m5 and m6) and retrace on a413 to the roundabout at the southern end of the wendover by pass 1.70 8.83 continue on a413 to the link road roundabout at great missenden 3.69 12.52 898014 continue (m7) to the roundabout at the junction of a413/b485 0.11 12.63 947981 continue (m8) on a413 to the shardeloes roundabout near amersham 3.98 16.61 898014 circle roundabout (m9 and m10) and retrace to the roundabout at the junction of a413/b485 4.01 20.62 continue (m2) to the link road roundabout at great missenden 0.11 20.73 870072 continue (m3) on a413 to the roundabout at the southern end of the wendover by pass 3.68 24.41 856086 continue (m4) on a413 to the roundabout at the junction of a413/ b4009 1.66 26.07 870072 circle roundabout (m5 and m6) and retrace on a413 to the roundabout at the southern end of the wendover by pass 1.71 27.78 883036 continue on a413 for approximately 2.2 miles to finish in lay by at a point where it starts to narrow, approximately 20 yards before a drain. 2.22 30.00