Bwa Gwyn

You'll find Bwa Gwyn tucked away near Pentre on Anglesey's quieter stretches, and it's one of those spots that rewards a bit of hunting. The name means "white bow" in Welsh, and that's exactly what you're looking at - a natural rock arch that's been shaped by centuries of coastal erosion into something genuinely striking. It's not vast, but it doesn't need to be. There's a real sense of having stumbled onto something the tour coaches miss.

Geologists will find it proper interesting - the way the strata sit and the evidence of water work on the limestone tells its own story. If you're staying at Silver Bay or Pen-y-Llyn Touring Caravan Park, it's barely a hop away and works perfectly as a morning walk before breakfast or an evening leg-stretch. Families with young kids might find it a bit of a short-lived novelty unless they're into rock formations, but serious coastal walkers and anyone with even a passing interest in geology should make the effort.

There's no visitor infrastructure to speak of - no café, no facilities, no fees. You turn up, have a look, take your photos, and move on. That's its charm, really. The walk there is pleasant enough, and the surrounding coastline is worth exploring while you're in the area. Anglesey's got plenty of caravan parks dotted nearby if you're planning a longer stay, and this fits nicely into a broader walking itinerary along the island's wilder edges.