A Grueling Unpaved Road to the Summit of Colla d’Onzo
Colla d’Onzo is a mountain pass at an elevation of 843m (2,765ft) above sea level, located in the Province of Savona in the Italian region of Liguria. The climb is simply brutal, with a 10.24% average gradient.
Is the Road to Colla d’Onzo Paved?
The road to the summit is challenging: extremely narrow—impassable for two medium cars and not recommended if you're not skilled at reversing. It's steep and often impassable after rain. Low-clearance vehicles are not advised. The route has both paved and unpaved sections.
How Long is Colla d’Onzo?
Located in the northwestern part of the country, the road through the summit is 7.9 km (4.90 miles) long, running north-south from Nasino to Capitolo-Costa. The road is brutally steep, with some ramps reaching a gradient of 20%.