Profile of Col d'Ornon, 5.4 km at an average of 6.4% to the summit at 1,371 m, with the gradient of each kilometre.
Profile of the climb from ProPace's route data, with the measured average gradient of each kilometre. The roadbook average for the whole climb is 6.4%.
Length
5.4 km
Average gradient
6.4%
Height gained
346 m
Summit
1,371 m
Steepest km
7.9% measured on the route
Category
Cat 2

The climb

Col d'Ornon climbs 5.4 km at an average of 6.4%, gaining 346 m to a summit at 1,371 m. It is neither relentless nor erratic: the kilometres move either side of the average by a point or two.

The hardest kilometre measures 7.9% and comes in the middle third of the climb.

In ProPace's stage data it appears on the single stage listed below.

Stages that climbed it

StageDateSummit atCategory
Tour de France 2026, stage 19: Gap → Alpe d'Huez24 July 2026km 100.6Cat 2

Stages since 2024 whose route climbed to this summit, matched on ProPace's route data. Category as listed for that stage where the roadbook data is in the app.

In ProPace you ride the whole stage, this climb included, against a pro reference in the real wind from the day. How the simulation works is set out in How much slower than a pro are you?

Ride the stages over Col d'Ornon against a pro in ProPace. Free on iOS.

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