Highlights and tour details
The road starts from the market square of Bardonecchia and travels for 26.5 km with an overall difference in altitude of about 1700 m. The first section, from Bardonecchia to the hamlet of Rochemolles, is paved for 6 km, which today is the SP 255 and this road on the left bank of the river was built by Military Engineering in 1939, after the dam and the basin were built upstream from the village. It is the third main attractor of tourist flows in the Valley when it comes to the use of high altitude roads.
The paved part is just 20% of the route and ends in Rochemolles The road of Colle del Sommeiller at 3009 metres is one of the highest points in Europe that can be reached by motorised vehicles, on the Italian French border and has been considered the “Roof of Europe” road for motorcyclists since its opening.
A wonderful "adventure road" that was boldly opened in 1962 starting from the Scarfiotti hut by the company VA.RO. Spa to serve the Hotel Mountain Hut and the ski lifts for summer skiing on the Sommeiller glacier, later closed in 1984 due to the withdrawal of the glacier.
The dirt road from the Scarfiotti hut is closed to vehicles on Thursdays (00-24) from 15 July - 30 September and tolled with an on-site collection service in the same time period.
Points of interest
The departure point of Bardonecchia is a well-known tourist location in the upper Valle di Susa for both winter sports and for summer holidays. Lying in a sunny basin, it is surrounded by beautiful mountains exceeding 3,000 metres. At an altitude of 1625 m is the ancient alpine village of Rochemolles, tormented by historic avalanches and was a municipality until 1927: its valley contains an artificial lake fed by rushing waterfalls. Continuing on, you will find the Scarfiotti mountain hut and the famous Sommeiller peak.