Col de Prat de Bouc
3.1 km at 6.5%, summit at 1,392 m. Cat 3.
- Length
- 3.1 km
- Average gradient
- 6.5%
- Height gained
- 202 m
- Summit
- 1,392 m
- Steepest km
- 7.4% measured on the route
- Category
- Cat 3
The climb
Col de Prat de Bouc climbs 3.1 km at an average of 6.5%, gaining 202 m to a summit at 1,392 m. It is an unusually even climb — the per-kilometre gradients cluster tightly around the average, so what the number says is what the road does.
The hardest kilometre measures 6.6% and comes in the final third of the climb.
In ProPace's stage data it appears on the single stage listed below.
Stages that climbed it
| Stage | Date | Summit at | Category |
|---|---|---|---|
| Tour de France 2026, stage 10: Aurillac → Le Lioran | 14 July 2026 | km 104.2 | Cat 3 |
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?