Where do they go?

A mixed day of doing odds and sods. A trip into Whalley for some gear fondling and then onto Barley to watch what we could of a fell race. Without knowing one of our village lads was running and got a very respectable time. Hardy these fell runners, it had been snowing on top of Pendal and with the breeze the wind-chill must have made it very cold indeed.
While waiting for the runners to come back in I spotted this intriguing set of steps leading up to.....