New Edition published August 2014.
This booklet has been updated with new images and text; its more attractive than the original work and the cave survey is undoubtedly the most accurate of any in existence. Porth yr Ogof, in the Brecon Beacons National Park, is one of the best known caves in Britain. It is visited by over 30,000 people a year, and is one of the most important sites for introductory caving, cavern and cave diving activities.
This colourful, highly informative booklet is aimed at these groups and describes all the varied facets of the underground world from geology and cave formation to history and future exploratory potential. Apart from car park times and fees, (attendant normally present seven days a week and £4.00 per car in 2015) this has all the information you need. Divers certainly should read this booklet before visiting.