From Leighton, head to Soulbury and Stewkley. Turn right at the crossroads in Stewkley and head towards the village of Mursley. As you approach Mursley, turn left into Swanbourne. At the t-junction in Swanbourne, turn right. Follow to the t-junction with the A413 just outside Winslow. Head North towards Buckingham. At the village of Padbury, turn left and follow for 3 miles into Steeple Claydon.