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Gravel rides
Spain
Basque Country
Gipuzkoa
Bajo Bidasoa

Irun

The best gravel rides around Irun

4.5

(42)

485

riders

18

rides

Gravel biking around Irun offers diverse terrain, characterized by its position on the Bidasoa River and proximity to the coast. The region features a mix of coastal paths, serene river valleys, and repurposed former railway lines, many with historic tunnels. This combination provides varied surfaces for gravel cyclists, from compacted paths to more rugged sections. Inland, the landscape includes mountainous areas like Aiako Harria Natural Park and Mount Jaizkibel, offering challenging climbs and extensive views.

Best gravel bike trails around…

Last updated: May 6, 2026

4.8

(4)

31

riders

#1.

Bidassoa Railway Tunnels – Lantxurda Tunnel loop from Ventas de Irún

59.3km

04:18

1,220m

1,220m

Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Popular around Irun

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Tips from the Community

Koldo
October 7, 2025, Former Train Station

Next to it is a whitewater kayak training area.

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Bridge over the border river Bidasoa/La Bidassoa between Spain and France

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Route demanded by percentages

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A comfortable route through Lapurdi, a circular route departing from Irun, traveling inland through Urruña and Ascain, returning to the coast via Donibane-Lohitzun and following the coast through Hendaye to the starting point.

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IZARRO
May 25, 2025, Col Lizuniaga

From this pass, several mountain bike options are available.

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Enbicia2
May 14, 2025, Col Lizuniaga

From this hill we see the summit of Pic d'Ibantelly to our left, the French town of Sare at our feet, and Peña Plata to our right.

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nice pass there are 2 climbs not long but between 12/14% approximately

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This bridge connects Spain and France. Completed in 1915, it has witnessed many refugee movements in both directions. It is now a pedestrian/bicycle bridge.

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Frequently Asked Questions

What types of terrain can I expect on gravel bike trails around Irun?

Gravel biking around Irun offers a diverse mix of terrain. You'll find routes traversing coastal areas and river valleys, such as the Bidassoa. Inland, many trails follow former railway lines, often passing through tunnels and alongside reservoirs. This provides varied surfaces, from compacted paths to more rugged sections suitable for gravel bikes.

Are there gravel bike trails suitable for beginners in Irun?

While many routes around Irun are rated as difficult, there are options for various skill levels. Out of the 28 available gravel bike routes, you'll find 1 easy and 6 moderate trails, alongside 21 more challenging options. It's always recommended to check the specific route details on komoot to match your experience level.

What are some scenic gravel bike routes in Irun with good views?

Many routes offer excellent views, especially those along the coast or river valleys. For coastal vistas, consider the Hendaye Beach – Boulevard de la Mer - Hendaye loop from Oiartzun or the Hendaye Beach – Boulevard de la Mer - Hendaye loop from Hondarribia, both featuring coastal landscapes and urban promenades. The Hendaye Beach – Hendaye Seafront Cycle Path loop from Deux-Jumeaux also offers great seafront views.

Are there any loop gravel bike routes around Irun?

Yes, many of the gravel bike routes in Irun are designed as loops, allowing you to start and end at the same point. Examples include the popular Bidassoa Railway Tunnels – Lantxurda Tunnel loop from Ventas de Irún, which explores historic railway tunnels, and the Lantxurda Tunnel – Endara-San Anton Reservoir loop from Hendaia.

What interesting landmarks or natural attractions can I see along the gravel bike trails?

The Irun area is rich in natural and historical sights. Along your rides, you might encounter highlights such as the Aitzondo Waterfall, the unique Valley of Colors, or the impressive Peña de Ataloi. For historical interest, you could pass by the Socoa Fort or the Fort of Nuestra Señora de Guadalupe.

What is the best season for gravel biking in Irun?

The Irun region, with its coastal influence, generally offers pleasant conditions for gravel biking for much of the year. Spring and autumn are often ideal, with milder temperatures and less rainfall. Summer can be warm, especially inland, but coastal routes benefit from sea breezes. Winter is generally mild, though some trails might be wetter.

How long are the gravel bike trails around Irun?

The length of gravel bike trails in Irun varies significantly. You can find shorter routes, such as the Hendaye Beach – Hendaye Seafront Cycle Path loop from Deux-Jumeaux at around 32.5 km (20 miles), up to longer, more challenging rides like the Hendaye Beach – Boulevard de la Mer - Hendaye loop from Oiartzun, which is approximately 69.5 km (43 miles) long.

What do other gravel bikers enjoy most about the trails in Irun?

The gravel biking routes in Irun are highly rated by the komoot community, with an average score of 4.6 stars from over 50 reviews. Riders often praise the diverse landscape, which combines coastal paths, river valleys, and historic railway lines with tunnels. The variety of surfaces and the scenic beauty are frequently highlighted.

Are there any challenging gravel bike trails for experienced riders in Irun?

Yes, Irun offers plenty of challenging options for experienced gravel bikers. Out of 28 routes, 21 are rated as difficult. These trails often feature significant elevation gains and varied, sometimes rugged, terrain. A good example is the Bidassoa Railway Tunnels – Lantxurda Tunnel loop from Ventas de Irún, which covers nearly 60 km with over 1200 meters of elevation gain.

How does gravel biking in Irun compare to San Sebastian?

While both Irun and San Sebastian offer excellent cycling, gravel biking in Irun is particularly characterized by its proximity to the French border, the Bidassoa river valley, and a network of former railway lines that include tunnels. This provides a unique blend of coastal, riverine, and historical industrial landscapes. San Sebastian, while also coastal, might offer a different mix of urban and mountainous terrain, whereas Irun's gravel routes often delve into more varied, less urbanized natural settings.

Are there options for parking near the gravel bike trails in Irun?

Given Irun's position as a border town and its accessibility, you can generally find parking options in and around the starting points of many routes. For routes that start from towns like Ventas de Irún, Hondarribia, or Oiartzun, public parking is usually available. It's advisable to check specific starting locations on komoot for detailed parking information when planning your ride.

Can I find cafes or places to stop for refreshments along the gravel bike routes?

Yes, many gravel bike routes around Irun pass through or near towns and villages where you can find cafes, restaurants, and shops for refreshments. Coastal routes, in particular, often go through urban sections or seaside towns like Hendaye, offering ample opportunities to stop. Routes following former railway lines might also have facilities in nearby settlements. Always plan your stops in advance, especially on longer or more remote sections.

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