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Routes
Road cycling routes
France
New Aquitaine
Bayonne
Isturits

La Bastide-Clairence and Adour Valley Loop

Routes
Road cycling routes
France
New Aquitaine
Bayonne
Isturits

La Bastide-Clairence and Adour Valley Loop

Moderate

5.0

(2)

15

riders

La Bastide-Clairence and Adour Valley Loop

02:22

45.8km

680m

Road cycling

This moderate 28.5-mile (45.8 km) road cycling loop north of Isturits offers hilly terrain, Pyrenees views, and 2232 feet of elevation gain.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

5.17 km

Ruins of the Château d'Ayherre

Highlight • Castle

Superb castle of which only the ruins remain. It is partially destroyed which makes its charm!

Translated by Google •

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2

16.7 km

View of the Pyrenees

Highlight (Segment) • Viewpoint

Seen breathtaking on the Pyrenees. No easy climb though ...

Translated by Google •

Tip by

3

32.2 km

Abbaye Notre-Dame de Belloc

Highlight • Religious Site

Notre-Dame de Belloc Abbey is an abbey of Benedictine monks located in Urt! An imposing monument founded in 1875

Translated by Google •

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B

45.8 km

End point

Parking

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Way Types & Surfaces

Way Types

44.2 km

1.67 km

Surfaces

33.0 km

12.9 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (210 m)

Lowest point (0 m)

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Weather

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Friday 22 May

31°C

15°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to start this road cycling loop?

While specific parking areas for the start of this loop are not detailed, Isturits and nearby villages generally offer parking options suitable for cyclists. It's advisable to look for public parking in the village center of Isturits or near local amenities.

What is the terrain and difficulty like on this route?

This road cycling loop is rated as moderate. You can expect a generous and hilly terrain, characteristic of the French Basque Country. While not featuring overtly dramatic climbs, the route includes significant rolling hills and an elevation gain of approximately 680 meters, which can present a 'hidden gradient' challenge. Road surfaces are generally good, though some sections might be gravelly.

What can I see along the route?

The route offers diverse and breathtaking scenery, including beautiful panoramas of mountains and pastures. You will pass by the Ruins of the Château d'Ayherre, enjoy a View of the Pyrenees, and see the Abbaye Notre-Dame de Belloc. The area also features charming Basque villages and lush green inland landscapes.

Is this road cycling loop suitable for beginners?

Given its moderate difficulty, hilly terrain, and over 680 meters of elevation gain, this loop is best suited for cyclists with a good fitness level. Beginners might find the sustained climbing challenging, though it's not considered an advanced route.

What is the best time of year to cycle this route?

The French Basque Country offers rewarding cycling experiences throughout much of the year. Spring and autumn generally provide pleasant temperatures and beautiful scenery. Summer can be warm, but still enjoyable. Winter cycling is possible, but conditions may vary, and some roads could be affected by weather.

Does the route intersect other well-known paths?

Yes, this road cycling loop briefly intersects with several other official trails. You will encounter sections of La vallée de l'Adour, Entre Nive et Arberoue, Haitzeder, Chemin de Biscarrot, Allée du Pont du Port, Allée SAFA, Allée des Cimetières, Chemin de Borde Curé, Oragarreko bidexka, Passage de la Crypte, Ruelle de Lembeye, Chemin de Coudom, Sarhiako bidexka, and Chemin Eguzkia.

Are there any cafes or restaurants along the way or near the start?

The route passes through the French Basque Country, known for its charming villages. While specific establishments on the loop are not listed, you can typically find cafes, pubs, and restaurants in Isturits and other villages along or near the route, offering opportunities for refreshments and meals.

Is the Loop to the north of Isturits dog-friendly?

This is a road cycling route, primarily on public roads. While dogs are generally allowed in public spaces, it's important to consider their safety and comfort when cycling. If you plan to bring a dog, ensure they are securely transported in a bike trailer or basket, and always adhere to local leash laws and regulations in any villages or stops you make.

Do I need any permits or pay entrance fees for this road cycling loop?

No, you do not need any special permits or have to pay entrance fees to cycle this road loop. It primarily uses public roads in the French Basque Country.

Are there any public transport options to reach Isturits for cyclists?

The Pyrénées-Atlantiques region has some public transport options, but specific bike-friendly services directly to Isturits for starting this loop may be limited. It's recommended to check local bus or train schedules and their bike policies in advance if you plan to use public transport to reach the starting point.

What kind of views can I expect on this ride?

The route offers diverse and stunning views. You'll experience the lush green inland landscapes of the Basque Country, with beautiful panoramas of rolling mountains and pastures. Keep an eye out for the designated View of the Pyrenees highlight for a particularly impressive vista.

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