Wales was the centre of attention for the golfing world when the 2010 Ryder Cup was held at the Celtic Manor resort. It’s at Jct 24 of M4, just on the Welsh side of the Severn Bridge and you may pass it on your way to the valley . You may even want to play a round there? http://www.celtic-manor.com/golf.aspx
There are plenty of courses to enjoy nearer to the valley in Pembrokeshire and Carmarthenshire. The course at Cardigan, 25 minutes drive from the valley, has spectacular views of Cardigan Bay – where else can you play golf and watch dolphins at the same time? The course was established in 1895 and hosts international matches. It is playable all year round and can be challenging in the windy conditions that the cliffs provide. http://www.cardigangolf.co.uk/
Carmarthen golf club, regarded as one of the finest golf courses in Wales, is 30 minutes drive away. It was voted Welsh Golf Club of the Year 2011. http://www.carmarthengolfclub.com/
You can come and go as you please here, so you can play as early or late as you want.
http://www.golftoday.co.uk/clubhouse/coursedir/pembrok1.htm Golf courses in Pembrokeshire
http://www.golftoday.co.uk/clubhouse/coursedir/carmart1.htm Golf courses in Carmarthenshire
http://www.golf.visitwales.com/golf-courses-in-wales/ Golf courses in Wales