Tri-A-Hanner | Three-And-A-Half

The name alone makes you smile - Tri-A-Hanner, or Three-And-A-Half as it translates - and this peculiar landmark near Pwllheli has been making people do exactly that for generations. It's essentially a standing stone with character, the sort of thing that stops you mid-walk and makes you wonder what story it's actually telling.

Locals will tell you it marks an old boundary or burial site depending on who you ask, but the real charm is in the mystery. It's not a grand archaeological showstopper - you're not going to spend hours here - but it's exactly the kind of detour that makes a walk through the Gwynedd countryside feel like an actual adventure rather than just a plod around the fields.

Walkers and history types will appreciate the context within the wider landscape; kids under ten might find it a bit underwhelming unless you're good at storytelling. The nearest base would be Away From It All, the glamping spot near Pwllheli, which makes Tri-A-Hanner a natural morning walk before heading back for coffee. Allow twenty minutes maximum, longer if you're the sort to photograph every angle and wonder about Celtic settlements.

Free to visit, obviously - it's a stone in the middle of nowhere. Best in autumn when the light's decent and you won't overheat trudging through fields. Go for the walk itself rather than the monument; the monument is just the excuse.