Col de Portet d'Aspet from Saint-Girons
- 31 km
- 726 m
- Moderate
- Paved
Elevation profile
- 726 m
- 31 km
Route overview
Suitable for cyclists prepared for 31 km with 726 m climbing, including a long steady climb at the end.
Col de Portet d'Aspet from Saint-Girons, France, 31 km with 726 m climbing.
The route begins in Saint-Girons and heads through a series of small places including Le Bousquet, Campas, Lédar, and Sières in the first 2 km. It continues passing Lambège, Aubert, and Moulis to 6 km, then on to Castillon-en-Couserans and Audressein by 13 km. The route mainly follows the D 618 road for 23.6 km, mostly main road with no cycle lane, plus some short stretches on minor roads and quiet streets. Climbing is moderate at first with three main climbs: a 1.7 km climb gaining 68 m starting at 8.8 km, a 3.3 km climb gaining 94 m starting at 17.8 km, and the longest climb of 7.9 km starting at 22.9 km taking the route up 428 m more steeply to the highest point at Portet-d'Aspet 1068 m. The surface is 98% paved with 1% gravel or unpaved. Water taps and shops are available at intervals, though the longest stretch without café, shop, or water is 6.5 km from km 9.1 to 15.6. Toilets and bike shop are present near the start.
Highlights
- Highest point at Portet-d'Aspet, 1068 m
- Climb starting at 22.9 km with 7.9 km length
- Peak Tuc de castera near 16.9 km
- Access via D 618 main road for 23.6 km
Along the route
Places passed
On the road
Climbs
| Climb | Starts at | Length | Gain | Average | Max | Top |
|---|---|---|---|---|---|---|
| — | 8.8 km | 1.7 km | 68 m | 4.1 % | 5.9 % | 529 m |
| — | 17.8 km | 3.3 km | 94 m | 2.8 % | 4.3 % | 650 m |
| Galey climb | 22.9 km | 7.9 km | 428 m | 5.4 % | 10.5 % | 1068 m |
Galey climb · starts at 22.9 km
Practical information
- Paved
- Point to point
- 2 h 12 min
- May to Oct — daily highs of 19–26 °C in those months
Know before you go
- 23.6 km on main roads without cycle lanes
- 1.2 km on roads with 80 km/h speed limit
- Longest stretch without café, shop or water is 6.5 km from km 9.1 to 15.6
- Gravel or unpaved surfaces for 1% of route

