The Brecon Beacons has just been granted "dark sky" status by the International Dark Sky Association.
http://www.telegraph.co.uk/science/space/9879555/Stargazers-to-flock-to-Brecon-Beacons-after-area-is-granted-dark-sky-status.html
I found the final paragraph quite amusing:
"officials claimed on a clear night above the Brecon Beacons stargazers could see the Milky Way, several constellations and even meteor showers. "