The OS Explorer map of Brecon Beacons, Western Area is a must-have when visiting the Western Area of the National Park. Whether you\'re interests are summiting Pen-y-Fan — the highest peak in South Wales, exploring local villages such as the quaint Sennybridge, or just stargazing in the National Park — Explorer OL12 has got you covered. Brecon beacons is an International Dark Sky Reserve, on clear nights you can see the Milky Way, Major constellations, as well as bright nebulas and meteor showers.Our OS Explorer maps are perfect for day-tripping, extensive hikes, and cycling. They come in both standard and Weatherproof Active, so you\'ll never get caught out in a storm. Publication Date: 05/01/2017