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Region: Italian Alps
Climbing effort: 1092 cep
Elevation meters: 1173
Steepest kilometer: 11.6%

Steepest 250 m: 14%
Foot: 717 m    Top: 1852 m
Mean slope: 8.2%
Length: 13.8 km

From: Grosio
Road conditions (2023): good
Other race bikers: 10-25 per hour
Motor vehicles: 10-30 per hour
Scenery and road: (4/5)
Restaurant or bar near top: yes

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Other climbs Italian Alps

Cyclingup.eu describes three different options to cycle to the Passo del Mortirolo. This pass is best known among cyclists through the utterly steep climb from Mazzo del Valtellina, but here the ascent from Grosio is described, a village located in the same valley as Mazzo (Valtellina) but further north. This ride is not as extremely steep as the climb from Mazzo but certainly also challenging. There are 1173 meters of altitude to overcome on a road whose slope varies greatly. The steepest sections seem to be randomly distributed over the distance. The steepest kilometer has a gradient of 11.6% and twice there is a strip of 250 meters at 14%. The quiet street that is hardly ever straight, merges after about 11 kilometers of cycling with the route of the famous climb from Mazzo. The two climbs then cover together the remaining 3 kilometers until the pass (9-10%).