START on east side of A162, south of Tadcaster junction with A659.
Proceed south, via Towton and Barkston Ash, to Sherburn north T.I. Encircle
island, and retrace outward route towards Towton. At junction with B1217,turn left and continue for approx. 2 mile to FINISH at mark on road
approx.10yds west of junction with Milner lane Lane (on left).(10 miles)