start on the unclassified langthwaite road from reeth 100 or so yards after the village green, "the buck" public house and public toilets junction, at lamp post 63, opposite “slow” on road. continue uphill for 1.74 miles before descent down and with care to cattle grid on a right hand bend at 2.38 miles. continue through langthwaite and past the cb public house at 3.4 miles. again take care at 5.41 miles with the descent into a bridge on an s bend and gravel on the road. continue on and over a hump back bridge at 7.61 miles, making the final ascent to finish at the highest point of the road at 10.88 miles. prior to the descent down to the tan hill pub a couple of hundred yards further on.