Mortirolo Pass, Alpine mountain pass in Lombardy, Italy
Mortirolo Pass is an Alpine mountain pass in Lombardy connecting the Mazzo di Valtellina valley with Val Camonica at an elevation of 1,852 meters. The route spans roughly 24 kilometers and cuts through forested terrain with steep sections and winding roads that climb steadily upward.
The pass evolved from a simple goat track into a notable cycling route when it first appeared in the Giro d'Italia race in 1990. This introduction turned it into a legendary location in professional cycling history.
A memorial for cyclist Marco Pantani stands along the Mazzo di Valtellina approach, honoring legendary moments in cycling history at this location. For cycling enthusiasts, this spot has become a place where people reflect on the sport's greatest achievements.
The road is closed to vehicles with three or more axles, so large trucks must use alternative routes. Visitors should expect variable weather conditions and tight curves, especially in the upper sections.
The climb from Mazzo di Valtellina reaches grades of up to 26 percent in places, ranking it among the most demanding ascents in professional cycling. Such extreme slopes require riders to display extraordinary physical effort and technical skill.
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