Being interested in castles and their history plus an interest in Geology (my wife and I collected hundreds of rocks and minerals from all over scotland which is now in Dundee university) was why I enjoyed this walk to Gylen castle on Kerrera,note the conglomerate rocks or ({Pudding Stone) on which the castle was built.www.scotphoto.com.please also follow Dennis Hardley on facebook on which I pos tseveral pictureseach day. also visit www.scotphoto.com