What is this unknown Alpine pass where the champions (including Pogacar) love to train? - My stay in the mountains

On the mountainside, between the olive trees and the limestone cliffs, winds a quiet road that connects the sea with the tops: the mountain pass of the Madonna of Gorbio. Perched at 925 meters above sea level, this pass unknown to the general public is yet one of the most popular training grounds for professional cyclists. Its name does not appear on any great charts, it has never been crossed by the Tour de France, and yet it has become a refer…