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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)

Saint-Barthélemy Astronomical Observatory (Lignan)

Recommended by 15 hikers

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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

    Intermediate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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    Intermediate

    Intermediate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

    Intermediate

    Expert hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

    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

      Informations

      Elevation 1,630 m

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      Today

      Tuesday 23 September

      11°C

      4°C

      40 %

      If you start your activity now...

      Max wind speed: 2.0 km/h

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      Location: Nus, Aosta Valley, Italy

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