Penllwyn Park

A proper woodland walk through ancient broadleaf forest - that's what Penllwyn Park offers, just a few miles outside Carmarthen in Carmarthenshire. The reserve protects something increasingly rare in South Wales: mature oak and beech woodland that feels genuinely wild, with streams running through deep valleys and enough undergrowth to make you feel like you've stumbled into somewhere untouched.

You're looking at a couple of hours here if you take the main trails at a reasonable pace. There's no visitor centre or facilities to speak of, so bring water and wear proper boots - the paths can get muddy even days after rain. Free admission, naturally, since it's a working nature reserve rather than a manicured attraction.

This is walker territory, full stop. Birdwatchers do well here too, especially in spring when the canopy's still thin enough to spot woodland species. Kids need to be reasonably competent on their feet; it's not a pushchair-friendly stroll. The real draw is the sense of stepping out of ordinary Carmarthenshire and into something older and quieter.

If you're basing yourself at one of the nearby holiday parks - Church House Farm Getaways is closest at under three miles - Penllwyn makes a solid half-day excursion. It won't occupy a full day trip, but paired with a market wander around Carmarthen town itself, it fills an afternoon well. Go midweek if you can; weekends draw a steadier trickle of locals who clearly know the place well.