OS References: Landranger 1:50000 Sheet 161. START at SO 42473 08388 opposite steel field gate on right, 35yds beyond SW corner of John Deere Tractor Sales, a mile north-east of Raglan on old Monmouth Road (unclassified). Proceed 400yds SW (towards Raglan) to junction with A40; turn left with care to join A40 eastbound, then immediately bear left onto slip road towards Monmouth (A40). Continue past Monmouth Services (1.4 miles), picnic area (5.6 miles) and through tunnel (6.3 miles). Immediately after tunnel bear left (B4233) and in 190 yds at mini r/b with petrol station on corner turn left (M) with great care onto B4293 (6.6 miles). Cross above tunnels and in 0.8 miles keep straight onto unclassified road; after another 1.5 miles (beyond Mitchel Troy) keep ahead to rejoin A40 (9.1 miles). Retrace south-westwards and after passing Monmouth Services, bear left (12.9 miles) and continue on A40 to Raglan rbt (14 miles) where take 3rd exit (A40) to Abergavenny Hardwick rbt (21.6 miles). Turn by circling rbt (M) and retrace on A40 eastbound to Raglan rbt where take 2nd exit (A40) to finish 200 yards east of rbt in line with 1st lighting column for layby in front of Raglan Castle. 30.057 miles FINISH is at SO 41245 07920