Castell Crug-Hywel

The ruins of Castell Crug-Hywel sit on a hilltop above Crickhowell, and honestly, they're worth the scramble up. What remains is essentially a mound with scattered stone fragments - this is medieval Wales in its most understated form. You're looking at the remains of a 12th-century stronghold, though calling it a castle might oversell what's actually left standing.

The real draw here isn't the fortress itself but the walk to reach it and the views once you're up there. The climb takes maybe twenty minutes from the village, and you can see across the Brecon Beacons on a clear day. Walkers and history enthusiasts will get something out of it. Kids might find the scramble entertaining, though they'll lose interest once they realise there are no towers or walls to actually explore.

It's free, naturally, since there's nothing to charge for and no facilities. Go on a dry day - the approach can get boggy. If you're staying at Cwmdu Campsite nearby, it's a decent half-hour excursion that doesn't require much planning. The real advantage is how it slots into a broader walk around Crickhowell itself - combine it with the town's walks and you've got a proper morning sorted.

Don't expect Drama. Expect a hillside, some old stones, and a bit of perspective on how much Welsh fortifications have deteriorated over eight centuries. Fair trade for no entrance fee.