Pontcysyllte Aqueduct, a World Heritage Site Wales

World Heritage Sites Wales

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Discover Wales’ World Heritage Sites

The vast history and beauty of Wales were bound to help the region establish UNESCO World Heritage Sites! These sites of interest offer ample attractions, trails and more to uncover, making for the perfect addition to your Wales getaway itinerary.

If scenic trails and sailing opportunities are something you love, a visit to Pontcysyllte Aqueduct is a must! The aqueduct transports the Llangollden Canal across the River Dee and stretches over 11 miles, offering plenty to see.

The region’s slate and industrial sites have also been classed as World Heritage Sites – Wales. One of these is Dinorwic Slate Quarry which is tucked away in Snowdonia National Park, offering views, trails and access to a fantastic museum!

Conwy is another must-visit Wales World Heritage Site, housing amazing architecture, including Conwy Castle along with access to a beautiful beach. Within the same site, and further along the coast, lies Harlech Castle where you can soak up elevated views of the coast and more.

Find UNESCO World Heritage Sites in Wales below…

  • Caernarfon Castle

    Castle Ditch
    Caernarfon
    LL55 2AY

    03000 252239

    Built by Kind Edward I in the 1280’s, the designated a UNESCO World Heritage Site is an impressive structure that draws visitors to the town throughout the year, wanting to learn about its fascinating past.

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  • View of Conwy Town Walls

    Conwy Town Walls

    18 Lower Gate Street
    Conwy
    LL32 8BE

    Part of the UNESCO World Heritage Site that includes Beaumaris and Harlech Castles, Conwy Town Walls are some of the finest and most complete in Europe. Stretching around the medieval heart of the town, the walls are three-quarters of a mile long and have 21 towers and original gateways.    

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  • Dinorwic Slate Quarry

    Dinorwic Slate Quarry

    National Slate Museum
    Llanberis
    LL55 4TY

    Located between the village of Llanberis and Dinorwig, and home to the National Slate Museum is Dinorwic Slate Quarry. Here, you can explore the large former slate quarry, promising breath-taking views.

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  • Harlech Castle

    Harlech Castle

    Harlech Castle
    Harlech
    Gwynedd
    LL46 2YH

    Harlech Castle is an imposing Welsh fortress overlooking the town and the sandy dunes that rest far below. For a historical thing to do in Snowdonia, visit the breath-taking Grade I-listed medieval castle!    

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  • national slate museum near llanberis

    National Slate Museum

    National Slate Museum
    Llanberis
    LL55 4TY

    029 2057 3700

    For things to do in Snowdonia, be sure to add the National Slate Museum to your itinerary! Uncover the history of slate in the 19th-century workshops of the now disused Dinorwic Quarry.  

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  • Chirk Aqueduct and Chirk Viaduct,

    Pontcysyllte Aqueduct

    Pontcysyllte Aqueduct
    Trevor Basin
    Off Station Road
    Trevor, Wrexham
    LL20 7TY

    The Pontcysyllte Aqueduct is a navigable aqueduct that carries the Llangollden Canal across the River Dee. It provides a superb photo opportunity, gentle strolls or the opportunity to travel by narrowboat.

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