You can’t miss the castles (literally: they’re enormous). Nor should you miss out on the many other cultural and historical highlights of this stretch of coast. Here’s our starter for 10.

  • Pontcysyllte Aquaduct from below
    Pontcysyllte Aquaduct, Llangollen by Wales on View

    The Pontcysyllte Aqueduct is a masterpiece of Georgian engineering. Opened in 1805, it carries the Llangollen Canal high over the Dee River valley. You can walk or (better still) hire a canal boat or kayak to cross the world’s highest aqueduct. Llangollen’s other draws include its steam railway, white-water rafting on the Dee, and the superb annual International Eisteddfod.

  • High performance

    Venue Cymru building, Llandudno.
    Venue Cymru, Llandudno
    Based in Mold, Theatr Clwyd is a highly effective regional arts centre, but where it truly excels is as a fearless producer of original drama. In Llandudno, Venue Cymru is a port-of-call for major touring acts/productions, including Welsh National Opera. Our oldest classical festival happens at Gregynog, which has premiered works by Gustav Holst and Eric Whitacre.
  • Conwy Castle from below
    Conwy Castle, North Wales

    Visible for miles away as you approach Conwy, this 13th-century castle is one of several local masterpieces by Edward I’s builder, James of St George. The castle still utterly dominates the town, which has one of the finest sets of town walls in Europe, with 21 towers and three gateways.

  • A group of people at Zip World
    Zip World, North Wales

    The world’s fastest zip wires, and also Europe’s longest, soar for a mile (1.6km) over the Penrhyn Quarry, once the biggest quarry in the world. There are two parallel wires: lying flat in a harness, riders can easily top 100mph (160kph) as they fly 500ft (150m) above a lake

  • Beaumaris Castle from above
    Beaumaris Castle, Anglesey

    The last of Edward I’s chain of fortresses is still the most technically perfect castle in Britain, with an ingenious ‘walls within walls’ layout. Edward never got round to finishing Beaumaris (he was distracted by unruly Scots). Even so, UNESCO ranks Beaumaris as one of ‘the finest examples of military architecture in Europe’, and together with Edward’s other Welsh castles, this is a World Heritage site.

  • Man working at a forge, National Slate Museum, Llanberis.
    National Slate Museum, Llanberis
    Some of our mountains are missing, as if a giant has bitten great chunks from them. That’s a legacy of the Welsh slate industry, which put a roof (literally) over the head of industrial Britain. The vast Dinorwig quarry closed in 1969, and now its Victorian workshops tell the story of how slate changed the North Wales landscape and people. It’s largely staffed by ex-miners, who skilfully bring the story to life. The museum lies on the flanks of Snowdon by the shores of Llyn Padarn, at the terminus of the Llanberis Lake Railway.
  • Plas Newydd, Anglesey
    Plas Newydd, Anglesey
    This country house on the shores of the Menai Strait is the seat of the Marquesses of Anglesey, and has the largest collection of artist Rex Whistler’s works, a military museum, and a fine spring garden. The 1st Marquess led the cavalry charge at the Battle of Waterloo, losing a leg to cannon fire. His wooden leg is displayed here (to be precise, it’s his ‘walking’ leg; he also had legs for riding and dancing).
  • Castell Caernarfon.
    Caernarfon Castle, Gwynedd by

    Edward I began work on Caernarfon Castle in the 1280s to control North Wales, and it was designed to both to suppress and impress, with huge polygonal towers and colour-coded bands of stone. The conquest didn’t entirely succeed: the Caernarfon area has our highest population of Welsh speakers (nearly 90%). It’s an enjoyable town, too. To experience a bit of proper Cofi (that’s the name for locals, and their dialect) the bar of the Black Boy Inn is a good place to start.

  • Llanddwyn Island, Anglesey
    Llanddwyn Island, Anglesey

    St Dwynwen is our patron saint of lovers, whose day we celebrate on 25 January. She was a 5th-century princess who set up a nunnery on this little peninsula, which has two lighthouses, a ruined chapel, several springs and wells, and a couple of pilot’s cottages which become a visitor centre in the summer. The beach is backed by a dunes nature reserve and a forest that’s home to red squirrels and a huge roost of ravens.

  • Looking out to sea towards the South Stack Lighthouse on Anglesey
    South Stack Lighthouse, Anglesey by Joseph Noble

    When the lighthouse was built in 1809, visitors had to cross in a basket slung under a rope; today there’s a slender bridge from Holy Island, reached by a 400-step descent down the cliffs. It’s worth the effort: the surrounding nature reserve is home to thousands of breeding seabirds including guillemots, razorbills and puffins, while seals, dolphins and porpoises are often spotted offshore.