This site is written by Paul Gannon, author of ‘Rock Trails Snowdonia: A Hillwalkers’ Guide to the Geology and Scenery’, published in March 2008, price £14.95.
Paul is a science and technology writer and author the widely praised account of the birth of the electronic computer during world war II: ‘Colossus: Bletchley Park’s Greatest Secret’. He is a qualified mountain leader and organises landscape walks in North and South Wales (see link on righthand side of this page)