Chain Road was the route of the First Turnpike, the 1760s road between Wakefield and Austerlands (on the Manchester border), constructed by 'Blind Jack of Knaresborough' an early roadbuilder. Self taught, he developed clever engineering techniques for overcoming obstacles such as the marshy boggy area beyond Pule Hill.
This grassy track beside the wall is an original packhorse route through the Colne Valley. Nearby is 'Badger Gate': a Badger was a pedlar or jagger, and Gate means a way, from the old Norse/English word 'gata'.
Look across the road for the guide stone marking the beginning of the footpath up to Deer Hill; these were erected around 1700, after the Government passed a law, because travellers freqently lost their way on open moorland, often with fatal consequences!
If you follow the footpath downwards, you will come across the scultpted stone Hare, commissioned for the Crossing the Pennines project - he's hiding in the undergrowth!