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Bangor

Cegin Viaduct

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Cegin Viaduct

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    Best Hikes to Cegin Viaduct

    3.7

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    1. Porth Penrhyn – Porth Penrhyn Harbour loop from Garth

    7.63km

    01:59

    50m

    50m

    Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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    Easy

    Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

    Easy

    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Moderate

    Tips

    July 25, 2025

    The path from the harbor towards Penrhyn Castle and on to Bethesda is a former railway bed, originally built specifically for the transport of slate from the local quarries. This stone bridge, known as Cegin Viaduct, commemorates that railway history.
    As the oldest known multi-arch railway bridge in Wales (built between 1798 and 1800), the viaduct is internationally important as a historic industrial monument and is listed (Grade II).
    The bridge has three arches, approximately 26 meters long between each abutment, 5 meters wide, and 3.2 meters high. Each arch has a span of 5 to 6 meters and a height of approximately 1.8 meters.
    The viaduct was thoroughly restored in 2015. Sources:
    ygc.cymru/project/cegin-viaduct-restoration-porth-penrhyn-bangor
    coflein.gov.uk/en/site/401047/

    Translated by Google •

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      Elevation 60 m

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      Location: Bangor, Gwynedd, North Wales, Wales, United Kingdom

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