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Alderney Lighthouse

Highlight • Monument

Alderney Lighthouse

Cycling

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  • Location: Guernsey

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    July 10, 2026

    Alderney Lighthouse, also known as Mannez Lighthouse, is a 32-metre (105-ft) stone tower, built in 1912 by Trinity House. It guides ships away from the treacherous waters of the Alderney Race.

    It became automated in 1997 and is now controlled remotely from Harwich,.
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    Best routes near Alderney Lighthouse

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    #1.

    Alderney Lighthouse – Gannet Rocks loop from Alderney

    17.1km

    01:12

    200m

    200m

    Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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    Moderate

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    Elevation 10 m

    Weather

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    Tuesday 21 July

    21°C

    15°C

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    Additional weather tips

    Max wind speed: 12.0 km/h

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