Dents d'Ambin, Alpine summit on the French-Italian border

Dents d'Ambin is an alpine ridge featuring three prominent peaks formed from metamorphic rock along the French-Italian border in the Val-Cenis area. The highest point reaches 3,372 meters, creating a distinctive jagged profile when viewed from the surrounding valleys.

The three teeth were first climbed in 1875: on 10 August Martino Baretti with guides Augusto, Francesco and Giuseppe Sibille reached the northern tooth, then thought the highest and boldest. The southern tooth, at 3,372 m the highest, was climbed on 14 July 1984 by Giovanni Gerra with guides Edoardo and Francesco Sibille.

The mountain carries different names on each side of the border: Dents d'Ambin in France and Denti d'Ambin in Italy, reflecting how communities near the frontier use their own languages. This naming difference shows how geography shapes local identity across the region.

Climbers typically start from Rifugio Luigi Vaccarone and find the best conditions between June and September, when snow has melted and the routes are most accessible. Weather changes quickly at this elevation, so proper preparation and suitable alpine gear are essential for a safe visit.

The three peaks appear completely different depending on where you view them from: they look like separate teeth from the Susa Valley but merge into one continuous formation when seen from Colle del Piccolo Moncenisio. This visual transformation makes the mountain a captivating subject for photographers and hikers exploring the region.