An Old Military Road to Colle di Costa Piana
Italy, europe
30 km
2,313 m
moderate
Year-round
Colle di Costa Piana is a high mountain pass sitting pretty at 2,313 meters (7,588 feet) in the Metropolitan City of Turin, Italy. Nestled in Piedmont in the northern Alps, this gem is part of the legendary Assietta Road (Strada Provinciale 173), the scenic route that winds between Susa and Sestriere.
Fair warning: this isn't your typical paved highway. The entire route up is unpaved gravel, following an old military ridge road from Pian dell'Alpe to Sestriere. It's rough and rocky—especially around the curves—but totally doable if you take it slow. And you'll need to: there's a strict 30 km/h speed limit enforced here, plus no overtaking or parking outside designated spots.
Plan your visit wisely though. This mountain pass is only open during the warmer months, from June 1st through October 31st, so summer is your window to experience this wild Alpine drive. The views? Absolutely worth the bumpy ride.
Where is it?
An Old Military Road to Colle di Costa Piana is located in Italy (europe). Coordinates: 41.8861, 10.7385
Road Details
- Country
- Italy
- Continent
- europe
- Length
- 30 km
- Max Elevation
- 2,313 m
- Difficulty
- moderate
- Coordinates
- 41.8861, 10.7385
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