| 1 hairpin turn |
| #73 longest climb of Siena |
Colle Petroso from Castellina in Chianti is a climb in the region Siena. It is 4.7km long and bridges 110 vertical meters with an average gradient of 2.4%, resulting in a difficulty score of 44. The top of the ascent is located at 618 meters above sea level. Climbfinder users shared 0 reviews of this climb and uploaded 0 photos.
Road names: Via Chiantigiana & SR429
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| 7 km/h | 00:40:06 |
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| 15 km/h | 00:18:43 |
| 19 km/h | 00:14:46 |