Star Gazing with the BBC

It is worth noting that on clear nights, especially at the New Moon, the skies over the cottage may startle city dwellers. There is very little light pollution - and if even that tiny amount (from the village) bothered you, you don't have to go very far to find somewhere astoundingly dark...

BBC Stargazing website

and the Dark Sky Discovery website can tell you more.

In particular, Dark Sky Wales.

So far, the only official Dark Sky Discovery Site in Wales is in the Brecon Beacons, here. Sadly that is about 60 miles away...but perhaps other zones may be officially added at some point.