Superwalker XT25 of the Brecon Beacons. The Brecon Beacons National Park on 2 sheets. Revised and re-designed. Brecon Beacons EAST – The area covered on this sheet includes Pen y Fan and the Black Mountains. Genuine original HARVEY mapping at 1:25,000. Ideal for walking. Clear, easy to read. Easy to re-fold. Opens directly to either side of the sheet. Slim and flexible, light to carry, tearproof, durable AND, 100% waterproof as standard.