From Seix
Departmental road
Col de la Core — 1,395 m
Col de la Core, 1,395 m, in Ariège. Main climb: 12.7 km at 6.7% average, 859 m of climbing from Seix. The Tour de France has been over it 5 times since 2002.
At a glance
- Distance
- 12.7 km
- Elevation gain
- 859 m
- Average gradient
- 6.7 %
- Difficulty index
- 6.2 Sustained
Figures for the main climb (From Seix). The other climbs are further down.
Location
- Department
- Ariège
- Altitude
- 1,395 m
- Coordinates
- 42.85890, 1.10499
Map of the climbs
- From Seix
- From Les Bordes-sur-Lez (Bordes-Uchentein)
Cycling ascents
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Seix | 12.7 km | 859 m | — | 6.7 % | 12.5 % | 6.2 Sustained |
| From Les Bordes-sur-Lez (Bordes-Uchentein) | 14.0 km | 846 m | 19 m | 6.0 % | 13.2 % | 5.3 Sustained |
Scroll the table sideways to see every column.
- 10% and above
- 8 to 10%
- 6 to 8%
- 4 to 6%
- under 4%
From Les Bordes-sur-Lez (Bordes-Uchentein)
Departmental road
2 ascents proposed here — other ways up this col remain possible.
Distances and elevation gains derived from the OpenStreetMap road network and a digital terrain model, measured on the very profile shown here.
Figures computed on 7 September 2026.
The Tour de France here
- Crossings
- 5
- Editions
- 5
- On the route
- from 2002 to 2021
- Usual category
- Category 1
| Year | Stage | Cat. | First over the top |
|---|---|---|---|
| 2021 | Stage 16 Pas de la Case → Saint-Gaudens | Category 1 | Patrick Konrad |
| 2011 | Stage 14 Saint-Gaudens → Plateau de Beille | Category 1 | Mickaël Delage |
| 2004 | Stage 13 Lannemezan → Plateau de Beille | — | |
| 2003 | Stage 14 Saint-Girons → Le Louron | Category 1 | |
| 2002 | Stage 12 Lannemezan → Plateau de Beille | Category 1 |
Cols nearby
- Col de Portet d'Aspet 1,069 m · 23 km
- Col d'Agnes 1,570 m · 23 km
- Port de Lers 1,517 m · 26 km
- Col de Larrieu 704 m · 27 km
- Col de Port 1,249 m · 29 km
- Col de Menté 1,349 m · 29 km
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
Frequently asked questions
How long is the climb to Col de la Core?
The hardest climb of Col de la Core, from Seix, is 12.7 km long for 859 m of ascent, i.e. 6.7% average.
What is the steepest part of Col de la Core?
The steepest 500 m sits at 12.5%, and the hardest kilometre is the 3th, at 10.3%.
How many times has the Tour de France been over Col de la Core?
The Tour de France has crossed Col de la Core 5 times, from 2002 to 2021.
Col de la Core: add this col to your collection
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