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Llanllyfni

Dorothea Slate Quarry and Ruins

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Highlight (Segment) • Historical Site

Dorothea Slate Quarry and Ruins

Mountain biking

5.0

(3)

Hiking

5.0

(1)

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  • Location: Llanllyfni, Gwynedd, North Wales, Wales, United Kingdom

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  • Take Me There

    Tips

    May 2, 2025

    Mountain biking

    Well worth a visit and I'd strongly recommend riding around the entire quarry taking time to check out the huge gantry pyramids and pumping station.
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    Nearby routes

    Best routes near Dorothea Slate Quarry and Ruins

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    1

    riders

    #1.

    Telegraph Valley (Maesgwm) – Llyn Llywelyn loop from Llanllyfni

    61.9km

    05:27

    1,360m

    1,360m

    Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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    Hard

    Details

    Informations

    Distance 1.06 km

    Uphill 20 m

    Downhill 10 m

    Weather

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    Tuesday 20 October

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    7°C

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

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