Oct 2009. I have prepared this from the Oct 2009 route sheet. This is a high definition route which follows the road. Chalfont St Peter, Bourne End, Marlow, Fingest, Turville, Christmas Common, Britwell Salome, Benson, Cookley Green, Pishill, Marlow, Cookham, Gerrards Cross, Chalfont St Peter.by AudaxRides