From Saundersfoot, walk down Main Street - the main shopping street that
runs parallel to the sea. At the end of the road is the first tunnel.
There are lights, though these are often vandalised, and the far end is
Emerging from the tunnel, you come to the car park adjacent to the beach
at Coppet Hall. There are toilets here, and a notice board describing
the history of the area.
At the far side of the car park is the entrance to the second of the tunnels and that
takes you to Wiseman's Bridge. The under-cliff walk is concrete and level,
and there are interesting geological formations underneath it.