Home » sjlphotography. » Location Old railway tunnel Caldicot Castle CollectShare image URLRequest to be taggedInvite/add to one of your groupsSee more from the people in this imageReport this imageLocation Old railway tunnel Caldicot Castle Photography by: sjlphotography.Groups: (Invite) NoneAdd your comment...14 people love this!Added 1652618457 by sjlphotography..Locations. Was old railway and now footpath.