The apparent path is named as an old railway on OS maps - probably a minor, local industrial route - there are quarries in the area and apparently old coal mines too. Overgrown steps rise on the slope above the brick wall; a handrail can be seen.
Uploaded to Geograph by Trevor Littlewood on 15 April 2017
Photo © Trevor Littlewood, 15 April 2017. Licensed for reuse under this Creative Commons licence