I'm staying at Llangrannog for a week (starting from yesterday) and heard large heath can be found nearby, anyone have any sites they can suggest?

Glanville Fritillary (a fairly diluted imago but wings in perfect shape) at ************ yesterday (21st June). Glad I don't need to go to the Isle of Wight now :). I was chasing small heaths for upperside shots and came across this "large heath". I had never observed the flicking wing beh...