Llanwrtyd Wells

Mountain railway lines once carried slate from these hills, and now the old Sugar Loaf station stands as a reminder of when this corner of mid Wales thrummed with industry. Llanwrtyd Wells sits snugly in the Irfon Valley, surrounded by proper hiking country that'll test your legs and reward you with cracking views.

The town bills itself as the smallest in Britain, which feels about right when you're walking the quiet streets. But what it lacks in size, it makes up for in character and outdoor adventures. Serious walkers head straight for the peaks - Pen y Ddinas and Mynydd Trawsnant offer different challenges, while Bryn Mawr gives you sweeping valley views without the full slog.

Water features heavily here too. Claerwen Reservoir stretches for miles through the hills, perfect for a scenic drive or longer hike. The smaller Llyn Cwmannell and Llyn Carw make for gentler walks if you fancy something less demanding. Archaeological enthusiasts should seek out the Maenhir Pen maen Wern Stone, though it's a bit of a trek from town.

Getting here means winding roads through the Cambrian Mountains - Builth Wells is your nearest proper town, about 15 miles southeast. The drive alone is half the appeal, snaking through sheep country and over cattle grids.

Staying at one of the nearby parks like Riverside Caravan & Camping Park or Irfon River Caravan & Camping Park puts you right in the valley, with hiking trails literally on your doorstep. Celtic Woodland Holidays offers something different if you fancy glamping pods over traditional pitches. Either way, you're perfectly placed to explore some of Wales' most underrated walking country.