start at clearway sign opposite the kings head hotel at clack lane end on a684, join a19 southbound and proceed on a19 (thirsk by-pass) and a168 to topcliffe turn off, (sessay), 14.02 miles. bear left following road under a168 to turn right, (with care), to join a168 northbound. continue north on a168/a19 to bear left, off a19 at tontine (a172), to finish at west end of bridge over a19. 30 miles.