The domed astronomical observatory of the Aosta Valley (OAVdA) at Lignan in the Saint-Barthélemy valley, Italian Alps.
Astrotourism

Stargazing in the Aosta Valley: Italy's first Starlight-certified dark sky

Europe’s darkest skies usually come with a catch: the certified ones are a long way from anywhere. La Palma means an Atlantic island and a ridge road you mostly can’t drive after dark. Namibia is a different continent. But there’s one properly dark, formally certified European sky that sits a 40-minute drive off a motorway, in a country I hadn’t covered here until now: a side valley in the Italian Alps called Saint-Barthélemy, above the town of Nus in the Aosta Valley. ...

September 23, 2026 · 8 min · Andreas Ioannou