Passo di Mortirolo (Grosio)

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

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.

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.