Appoximate site of Cemlyn Roman Fortlet

The Roman fortlet at Cemlyn sits on a quiet stretch of Anglesey's north coast, a few miles south-west of Holyhead. What you're looking at is essentially a grassed-over bump in the landscape - no walls, no stone, just the faint outline of where a small Roman garrison once stood, probably around the 1st century AD. It's the sort of place that rewards curiosity rather than expecting drama. You can walk the perimeter in minutes, scanning the ground for that rectangular defensive ditch that marks out a proper Roman fort, just smaller than the usual thing. The Cemlyn site itself tells the story of Rome's presence on this corner of Wales, though honestly it takes some imagination and possibly a visit to the nearby Heneb website beforehand to really get what you're standing in.

Family groups with older kids interested in archaeology will find it worthwhile - younger children might lose patience quickly since there's nothing interactive here. Serious Roman-focused walkers and history enthusiasts get the most from it, especially if you're already island-hopping round Anglesey's archaeological sites. The location works brilliantly if you're camping nearby. Llain Ffynnon Campsite is barely a mile away, Pengraig not much further, so you can visit on a morning walk before breakfast or combine it with coastal exploration. The wider coastline around Holyhead is worth an afternoon's ramble in any case. There's no charge to visit - it's open ground - and you need perhaps 20 minutes maximum here unless you're sketching plans or taking photographs. Best visited during daylight in clear weather when you can actually see the fort's shape from different angles.