Church of St David & St Helen

The Church of St David & St Helen sits in the shadow of Caernarfon's castle, a medieval structure that's been there so long most locals barely glance at it as they pass. Walk through the heavy wooden door and you're stepping into several centuries of Welsh worship - the church itself dates back to the 13th century, though it's been patched and rebuilt more times than you'd think possible.

Inside, it's quiet in the way only old churches can be. The stone walls have absorbed centuries of prayers and arguments and everything in between. You get a proper sense of how people actually lived and died here, without the tourist polish that sometimes makes churches feel like museums. It's worth an hour if you're into medieval architecture and ecclesiastical history; less so if you're after obvious grandeur.

The location is the real selling point - you're in Caernarfon, where the castle completely dominates, so this church works as a companion visit rather than a destination in itself. Pop in when you're exploring the town. Admission details are typically straightforward for a small Welsh church - usually free, though donations are the thing to do.

If you're staying at Coed Helen Holiday Park or Glan Gwna just down the road, it's a short walk into town. The nearby parks are perfectly positioned for exploring Caernarfon's medieval core. Come on a weekday morning and you'll likely have the place mostly to yourself.