During the winter and summer solstices, people can see the sun through two distinct natural holes that have been partially set up by mankind.
In front of the "cave", a largely held up platform enables you to gaze at the phenomena.
This sanctuary might be the proof of the astronomical knowledge of mankind at the beginning of the iron age.
- Historic site and monument
La Grotte du Loup
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Opening
All year round, daily.
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Information update on 10/08/2021 by Office de Tourisme Pays du Lac d'Aiguebelette