Drivers AtlasThe world's best roads

Italy, Lombardy, Italy

Passo del Mortirolo

Cycling's cruellest climb doubles as a brutally steep, tightly hairpinned driving test.

Length

12.5 km

In miles

7.8 mi

Driving time

23 min

Atlas rating

8.7 / 10

Driving quality9.0
Scenery8.4

The run

Mazzo di Valtellina to Monno. Drive it in either direction, though the views usually favour the climb.

Season

Snow possible December to March

Open in Google Maps Build a journey through itPlaces to stay nearby

Checked by the Drivers Atlas desk

Scored and written by the Drivers Atlas editorial desk, drawing on driven routes across the UK and Europe, mapping data and member road reports. Every road in the library carries a driving and scenery score set by the same method. How we score roads.

Last reviewed 28 June 2026