Col d'Agnès and Col de Port Loop
Col d'Agnès and Col de Port Loop
5.0
(6)
93
riders
04:26
56.9km
1,560m
Cycling
Tackle the difficult Col d'Agnes touring cycling route, a 35.3-mile (56.9 km) climb with panoramic views in the French Pyrenees.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
Get Directions
40.1 km
Highlight • Mountain Pass
Translated by Google •
Tip by
56.9 km
End point
Parking
Way Types & Surfaces
Way Types
56.0 km
425 m
220 m
220 m
Surfaces
54.7 km
1.73 km
440 m
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Elevation
Highest point (1,570 m)
Lowest point (590 m)
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Weather
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Monday 6 July
32°C
16°C
11 %
Additional weather tips
Max wind speed: 11.0 km/h
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This route was planned by komoot.
The Col d'Agnes is classified as a difficult route, particularly from the Aulus-les-Bains side. It's a Category 1 climb, known for its challenging gradients. The approach from Massat is considered easier but still features consistent climbs.
No, this route is generally not suitable for beginners. The significant elevation gains and steep gradients, especially from Aulus-les-Bains, require well-trained riders with appropriate climbing gears. It's best suited for experienced cyclists.
You can expect beautiful and varied landscapes. The lower sections, particularly from Massat, follow the River Arac. As you ascend, the scenery becomes more spectacular, with panoramic views towards the high mountains bordering Andorra and Spain from the summit. The route also passes by the Agnès Pass.
The best time to cycle the Col d'Agnes is typically during the warmer months, from late spring to early autumn, when the pass is clear of snow and weather conditions are most favorable. This aligns with when the Tour de France has historically included the climb.
You can typically start the route from either Massat or Aulus-les-Bains, both of which offer parking options in the villages. These are the two main ascent points for the Col d'Agnes.
No, there are no specific permits or entrance fees required to cycle the Col d'Agnes. It is a public road within the Parc Naturel Régional des Pyrénées Ariégeoises.
While the route is a public road, if you are accompanied by a dog, it should be kept on a leash, especially given the presence of wildlife and other road users. Always ensure your dog is comfortable with the activity and local regulations.
Yes, the route briefly intersects with sections of other paths, including "La traversée des Pyrénées - sec.3", "Chemin des Diligences", and "Chemin du Port à la Ruse".
The road surface on the Col d'Agnes is generally good asphalt, allowing for a smooth ride despite the challenging gradients. This makes it suitable for touring bicycles.
The Col d'Agnes is notable for its challenging nature and stunning vistas, earning it a place as one of the 'great Tour de France climbs' in the Ariège Pyrenees. It has been featured in the Tour de France multiple times, most recently in 2024.
When cycling within the Parc Naturel Régional des Pyrénées Ariégeoises, it's important to respect the natural environment. This includes staying on marked roads, not disturbing wildlife, and carrying out all your waste. There are no specific cycling permits required for the Col d'Agnes itself.
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