The Ovronnaz is a col with a length of 10.2 kilometer. This is a highest category (HC) col. It is located in Leytron, Valais, Switzerland. The average grade of this col is 9.1% with a maximum of 11.6%. The Ovronnaz ascents from 496 meter at the start, to 1.360 meter at the top, with a total of 864 ascending meters.
|Elevation gain||864 m|
|Average grade||9.1 %|
|Maximum grade||11.6 %|
|Minimum elevation||496 m|
|Maximum elevation||1360 m|
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- Tour de Romandie 2018 - Stage 4