Little neath River Cave

The Little Neath River Cave sits tucked into the hillside above Neath, and it's one of those spots that rewards the curious visitor who bothers to find it. You're looking at a modest natural cave system where a river runs right through - nothing you'd queue for hours to see, but proper atmospheric when the light hits it right and you can hear the water echoing off the stone.

It's best tackled on foot from Neath itself, which means a decent walk up into the hills. The approach is half the appeal, honestly - you get views across the valley and a real sense of adventure getting there rather than just rocking up to a car park. The cave itself is accessible enough, though you'll get wet feet if there's been recent rain, so waterproof boots are non-negotiable.

This works well for families with older kids who can manage a hillside walk and don't mind getting mucky. History types will appreciate it as a geological feature, though there's no visitor centre or interpretation boards, so you need to bring your own curiosity. Allow a couple of hours for the walk and exploration.

If you're based at Four Falls Glamping just down the road, you've got a cracking afternoon activity on your doorstep. Even Brecon Beacons Camping is close enough for a half-day trip. It's the sort of thing that makes sense as part of a broader exploring-the-hills holiday rather than a destination in itself, but that's precisely what makes it worth knowing about.