Llyn Arenig-Fawr

The walk up to Llyn Arenig-Fawr takes you straight into proper mountain country, and the lake itself sits in a glacial bowl with views that extend for miles across Snowdonia. It's not a quick stroll - expect a good hour and a half each way from the car park - but the water is genuinely striking when you get there, dark and still, ringed by steep slopes that feel remote even though you're never far from Bala.

This is one for walkers rather than casual visitors. The path can be boggy underfoot depending on rainfall, and there's no café, no visitor centre, just you and the mountain. That's precisely why it works. The lake itself is fairly small, so you're not looking at a full afternoon of lakeside wandering once you've summited, but the views down towards the Cader range justify the effort on a clear day.

If you're based at Tyn Cornel Camping near Bala - a solid spot with decent facilities - this makes a proper half-day mission. Pack a picnic, bring proper boots, and go when the weather looks stable. Early autumn is cracking, when the crowds thin out and the light turns golden across the moorland. Families with older kids who enjoy hiking will get something real from it. Younger children might struggle with the climb and rough terrain.

Free to visit. No specific opening hours - it's mountain country, so go when conditions suit.