Passo di Mortirolo (Grosio)

Start Town Altitude Elevation Gain Length Gradient Difficulty Rating
Grosio 1,852m 1,010m 14.0 km 7.2% 790 ****






Passo di Mortirolo - Grosio - Cycling Profile

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Climb Description

Passo di Mortirolo is a name that is known by cycling fans throughout the world. The ascent from Grosio is a challenging climb, although not as tough as the iconic ascent from Mazzo. It is often used as the descent after climbing from Mazzo.

The climb is mostly in forest, but is very enjoyable and, the shade will be a welcome relief if you are climbing in the hotter summer months.

Mortirolo is best climbed from May to October, but can be open longer in some years.


Passo di Mortirolo from Grosio - Italian Alps Cycling Climb

This is a nice climb with great views looking across the Valtellina towards Switzerland






Roads & Traffic

The road surface is in good condition.

There is slightly more traffic here than on the Mazzo side, but it is still very quiet.




Alternative Routes

Passo di Mortirolo can also be climbed from Mazzo di Valtellina (the classic side), and from Edolo.





Nearby Climbs


Passo dello Stelvio

Passo di Gavia






Cycling Holidays

Passo di Mortirolo is climbed from Mazzo on our Dolomites & Italian Alps holiday, which tackles the iconic cycling ascents of Northern Italy .

In the links below you can find out more about this and some of the other tours that we run in high mountains.




Monte Zoncolan
Italian FlagItaly


Guided Cycling Holiday
Length: 9 Days
Level: Difficulty Challenging-Hard
Price: €1,630 EUR
Lagos de Covadonga
Spanish FlagSpain

Self-Guided Cycling Holiday
Length: 8 Days
Level: Difficulty Challenging-Hard
Price: from €1,130 EUR
French FlagFrance

Guided Cycling Holiday
Length: 8 Days
Level: Difficulty Challenging-Hard
Price: €1,350 EUR
*Bike Hire Included