From Cazaril
Departmental road
Col de Portet d'Aspet, 1,069 m, in Haute-Garonne. Main climb: 4.4 km at 9.6% average, 423 m of climbing from Cazaril. The Tour de France has been over it 16 times since 1919.
Figures for the main climb (From Cazaril). The other climbs are further down.
| Main climb | Distance | Elevation gain | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|
| From Cazaril | 4.4 km | 423 m | 9.6 % | 14.2 % | 4.0 Moderate |
| From Saint-Lary | 5.6 km | 379 m | 6.8 % | 11.2 % | 2.6 Moderate |
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Departmental road
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.
| Year | Stage | Cat. | First over the top |
|---|---|---|---|
| 2024 | Stage 15 Loudenvielle → Plateau de Beille | Category 1 | Tobias Johannessen |
| 2021 | Stage 16 Pas de la Case → Saint-Gaudens | Category 2 | Patrick Konrad |
| 2018 | Stage 16 Carcassonne → Bagnères-de-Luchon | Category 2 | Philippe Gilbert |
| 2014 | Stage 16 Carcassonne → Bagnères-de-Luchon | Category 2 | Thomas Voeckler |
| 2011 | Stage 14 Saint-Gaudens → Plateau de Beille | Category 2 | Mickaël Delage |
| Year | Stage | Cat. | First over the top |
|---|---|---|---|
| 2010 | Stage 15 Pamiers → Bagnères-de-Luchon | Category 2 | Thomas Voeckler |
| 2007 | Stage 15 Foix → Le Louron | Category 2 | |
| 2004 | Stage 13 Lannemezan → Plateau de Beille | — | |
| 2003 | Stage 14 Saint-Girons → Le Louron | Category 2 | |
| 2002 | Stage 12 Lannemezan → Plateau de Beille | Category 2 | |
| 2001 | Stage 13 Foix → Pla d'Adet | Category 2 | |
| 1997 | Stage 10 Luchon → Arcalis (AND) | — | |
| 1995 | Stage 15 Saint-Girons → Crêtes du Lys | — | |
| 1936 | — | ||
| 1935 | Stage 15 Perpignan → Luchon | — | Félicien Vervaecke |
| 1919 | Stage 7 | — |
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
The hardest climb of Col de Portet d'Aspet, from Cazaril, is 4.4 km long for 423 m of ascent, i.e. 9.6% average.
The steepest 500 m sits at 14.2%, and the hardest kilometre is the 2th, at 11.2%.
The Tour de France has crossed Col de Portet d'Aspet 16 times, from 1919 to 2024.
Sleipnir recognises the cols you cross from the GPS trace of your rides: the col ticks itself off the day you ride over it.
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