Region: Italian Alps
Climbing effort: 418 cep
Elevation meters: 691
Steepest kilometer: 7.7%

Steepest 250 m: 8%
Foot: 1192 m    Top: 1883 m
Mean slope: 5.5%
Length: 12.5 km

From: Ponte di Legno
Road conditions (2023): average
Other race bikers: 5-10 per hour
Motor vehicles: 60-180 per hour
Scenery and road: (2/5)
Restaurant or bar near top: yes

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Other climbs Italian Alps

The Passo del Tonale is the highest point of the road (SS42) connecting the regions of Lombardy, west of the pass, and Trentino-South Tyrol, east of the pass. From the west the climb to the pass begins at the turnoff to Ponte di Legno. Here the SS42 gets steeper than before, though it should be added that nowhere in the remaining 12.5 kilometers to the pass the slope becomes really steep. The steepest kilometer, beginning just under 9 kilometers after the start, tilts (7.7%). In the last kilometer the gradient decreases. The culmination point lies near a war memorial that has been erected on the left side of the road. Unfortunately, traffic including many trucks is quite busy. As you cycle up, high peaks of the Adamello and Presanella groups can be seen on the right side of the valley.

If you come from Edolo by bike, then at the turnoff to Ponte di Legno you have already ridden 17 kilometers, overcome 513 meters of altitude and collected 205 climb effort points. In the first 9 kilometers of this approach the road has a gradient of 4.0%, on average; the remaining 8 kilometers are easier (average 1.7%).