6
riders
06:13
97.6km
2,690m
Road cycling
The Big loop of Iraty pass is a difficult 60.6-mile road cycling route through the Iraty Forest, featuring 8835 feet of elevation gain.
Last updated: February 26, 2026
Waypoints
Start point
Parking
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2.79 km
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30.0 km
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97.6 km
End point
Parking
Way Types & Surfaces
Way Types
97.4 km
226 m
< 100 m
Surfaces
81.5 km
16.1 km
< 100 m
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Elevation
Highest point (1,360 m)
Lowest point (150 m)
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Friday 22 May
31°C
14°C
0 %
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Max wind speed: 10.0 km/h
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This route was planned by komoot.
This road cycling loop is considered difficult, demanding a very good level of fitness. It covers approximately 97.6 km with a significant elevation gain of around 2,690 meters. Climbs like the Col d'Iraty are known to be particularly severe, often classified as 'Hors Catégorie' (HC).
The terrain is predominantly well-paved, with the vast majority of the route consisting of asphalt and other paved surfaces. While generally smooth for road bikes, you'll encounter demanding climbs, narrow valleys, and scenic 'balcony roads'. Wet or icy conditions can significantly increase the technical difficulty.
The route offers stunning scenery through the heart of the Basque Pyrenees. You'll cycle through the millennia-old Iraty Forest, Europe's largest beech forest, and enjoy expansive views of the Pyrenees mountain range, including the towering Pic d'Orhy. Highlights include the Iraty Pass itself, and you might even catch a glimpse of the View of the Pic du Midi d'Ossau. The landscape features deep forests, lush vegetation, small canyons, and occasional glades with traditional shepherd huts.
The Big loop of Iraty pass typically takes around 6 hours and 13 minutes to complete for a road cyclist with a good level of fitness. This duration can vary based on individual pace, weather conditions, and stops for rest or sightseeing.
The best time to cycle this route is generally from late spring to early autumn (May to October) when the weather is most favorable. During these months, you can expect milder temperatures and less chance of snow or ice on the higher passes. Always check the local weather forecast before heading out, especially for mountain passes.
Specific parking information for the start of this exact loop isn't detailed, but the Iraty region, particularly around the Iraty Pass, offers various parking areas. It's advisable to check local tourism resources like tourisme64.com for up-to-date information on parking facilities near the Iraty Pass or within the Iraty Forest.
Generally, there are no specific permits or entrance fees required for road cycling on public roads through the Iraty Forest. However, some specific areas or facilities within the forest might have charges, so it's always good to check with local tourism offices if you plan to deviate from the main route or use specific amenities.
While the route is primarily on public roads, the Iraty Forest is a natural environment. If you plan to bring a dog, ensure it is well-behaved and kept on a leash, especially when passing through areas with livestock or wildlife. Always carry water for your dog and clean up after it. Be mindful of the strenuous nature of this ride for both you and your pet.
Yes, this route intersects with several other official trails. Notably, it covers significant sections of 'La route des cols Hendaye - Larrau' and 'Le Chemin de Saint-Jacques'. You'll also find it briefly touches 'Le tour de Soule' and 'HRP Variante 6.1', among others.
Given the remote nature of parts of the Iraty Forest, options for cafes or restaurants directly on the loop might be limited. It's highly recommended to carry sufficient water and snacks. There may be establishments near the Iraty Pass or in nearby villages, but always plan ahead and confirm opening hours, especially outside of peak season.
With nearly 2,700 meters of elevation gain, pacing is crucial. Many experienced cyclists recommend starting early in the day to avoid the hottest temperatures and to allow ample time for completion. Breaking down the climbs mentally and maintaining a steady, manageable pace will help conserve energy for the entire loop, especially on the notorious Col d'Iraty.