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Discover
Places to see
Italy
Aosta Valley
Nus

Saint-Barthélemy Astronomical Observatory (Lignan)

Discover
Places to see
Italy
Aosta Valley
Nus

Saint-Barthélemy Astronomical Observatory (Lignan)

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Saint-Barthélemy Astronomical Observatory (Lignan)

Recommended by 15 hikers

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    Location: Nus, Aosta Valley, Italy

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    Best Hikes to Saint-Barthélemy Astronomical Observatory (Lignan)

    5.0

    (3)

    31

    hikers

    1. From Saint-Barthélemy Observatory to Champlaisant Sanctuary (via Trail 14)

    15.4km

    04:46

    460m

    470m

    Alpine meadow hike from a UNESCO dark-sky observatory to a historic 1661 mountain sanctuary.

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    Intermediate

    4.5

    (2)

    14

    hikers

    2. Trail 11 to Oratorio di Cuney Sanctuary from Lignan

    11.2km

    04:45

    860m

    860m

    Trail through UNESCO dark skies to Europe's highest sanctuary amid Monte Rosa views.

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    Intermediate

    5

    hikers

    3. From Saint-Barthélemy Observatory to Col Vessonaz

    16.1km

    06:54

    1,140m

    1,140m

    Alpine climb from an astronomical observatory to Col Vessonaz with sweeping Aosta Valley views.

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    Expert

    Tips

    July 3, 2025

    The Saint-Barthélemy Astronomical Observatory, located in the charming village of Lignan at over 1,600 meters above sea level, is a true gem for stargazers and science enthusiasts.

    Here, in the mountains of the Aosta Valley, you can explore the universe thanks to cutting-edge instruments and guided tours that bring adults and children closer to the mysteries of the sky. The pristine natural setting and UNESCO recognition for the protection of the night sky make the experience even more magical, transforming every observation into a moment of wonder and discovery.

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      Details

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      Elevation 1,630 m

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      Saturday 8 November

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      Location: Nus, Aosta Valley, Italy

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