Llyn y Cwn

The walk down to Llyn y Cwn is what makes it worthwhile - a proper trek through the Snowdonia foothills that leaves you gasping and genuinely pleased you made the effort. The lake itself sits in a glacial valley, hemmed in by steep slopes, and on a clear day the water reflects the surrounding peaks like a dark mirror. It's small, quiet, and feels remote even though Caernarfon is only a short drive away.

This is absolutely one for walkers rather than casual tourists. You won't find facilities here, no café, no car park right at the water's edge - just moorland, silence, and the kind of isolation that makes North Wales genuinely special. The walk takes a couple of hours return depending on your fitness, and it's not flat. Kids who enjoy hiking and don't need constant entertainment will love it; those expecting an easy stroll should look elsewhere.

Best visited when the weather's decent - and in Wales, you learn to grab those days when they come. Summer or early autumn usually offers the most stable conditions. If you're staying at nearby Ogwen Bank Caravan and Lodge Park, this makes a cracking full-day expedition that'll tire everyone out properly. The lake sits on the edge of Snowdonia National Park, so it combines well with other walks in the area - you could easily make a weekend of exploring the valleys around here. Free to visit, obviously. No permits, no nonsense. Just you and the Welsh hills.