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Spain
Basque Country
Gipuzkoa
Donostia/San Sebastián

Aiako Harria Parke Naturala

The best gravel rides around Aiako Harria Parke Naturala

4.6

(41)

497

riders

25

rides

Gravel biking around Aiako Harria Parke Naturala offers diverse landscapes in the Pyrenean foothills, characterized by ancient granite peaks and dense woodlands. The park features rugged gorges, steep cliffs, and the Aiztondo ravine, providing varied terrain for cyclists. Historic greenways, such as the Arditurri Greenway, offer accessible paths through picturesque scenery, connecting to ancient mining complexes. This environment combines natural beauty with historical significance, making it suitable for gravel biking.

Best gravel bike trails around Aiako Harria Parke Naturala

  • The…

Last updated: July 3, 2026

4.5

(4)

49

riders

#1.

Bera Bridge – Bidassoa Railway Tunnels loop from Hendaye

32.2km

01:46

320m

320m

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

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Moderate

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

Hard
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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 Aiako Harria Parke Naturala

Between the sea and the mountains — GR 121: Tour of Guipúzcoa

Hiking around Aiako Harria Parke Naturala

Road Cycling Routes around Aiako Harria Parke Naturala

Cycling around Aiako Harria Parke Naturala

Running Trails around Aiako Harria Parke Naturala

MTB Trails around Aiako Harria Parke Naturala

Mountain Hikes around Aiako Harria Parke Naturala

Other adventures around Aiako Harria Parke Naturala

Between the sea and the mountains — GR 121: Tour of Guipúzcoa

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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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Route demanded by percentages

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Without lights, can ride slowly in the middle for a short while until “you can see the light at the end of the tunnel”.

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Giuseppe PICCIOLI
May 28, 2024, Bera

It is located along the Bidasoa green way built on the site of a former mining railway. Excellent idea for crossing the Pyrenees.

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Excellent cycle route built on the site of a former mining railway.

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The Bidassoa green way uses an old mining railway and, from the blue Atlantic Ocean, rises towards the Pyrenees.

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Beautiful landscapes that vary significantly from the sea of Hendaye into the green and bucolic environment of the Pyrenees

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Along the EV3, which from Hendaye on the Atlantic goes up the Pyrenees, there are various tunnels of the former Bidassoa railway

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Frequently Asked Questions

How many gravel bike trails are available in Aiako Harria Parke Naturala?

Aiako Harria Parke Naturala offers a wide selection of gravel biking opportunities, with over 40 distinct routes to explore. These range from easy riverside paths to more challenging climbs through the park's ancient granite peaks.

What kind of terrain can I expect on gravel bike trails in Aiako Harria Parke Naturala?

You can expect a diverse range of terrain. The park features ancient granite peaks, lush oak and beech woodlands, rugged gorges, and steep cliffs. Many routes utilize historic greenways, such as the Arditurri Greenway, which offers smoother, accessible paths. Other trails include dirt tracks and rural roads, providing a mix of compacted dirt and more rugged sections.

Are there easy gravel bike routes suitable for beginners or families?

Yes, there are easy options perfect for beginners or families. The Riverside Path in Spain – Bidasoa Greenway loop from Irun is an excellent choice, offering a scenic and relatively flat ride along the Bidasoa Greenway. The Arditurri Greenway itself is also known for its accessibility and smooth surface.

Are there challenging gravel bike routes for experienced riders?

Absolutely. For experienced riders seeking a challenge, routes like the Bidassoa Railway Tunnels – Lantxurda Tunnel loop from Ventas de Irún offer significant elevation changes and varied terrain, including railway tunnels. The park's granite peaks also provide routes with demanding climbs and descents.

What scenic viewpoints or natural features can I see along the gravel bike trails?

The park is rich in natural beauty. From the higher elevations, you can enjoy panoramic views of the Bay of Txingudi, including Hondarribia, Irun, and Hendaye, as well as Mount Jaizkibel and the Oiartzun valley. Don't miss the impressive Aitzondo Waterfall in the Aiztondo ravine, or the majestic Irumugarrieta Peak (811 m) and Txurrumurru Summit (828 m).

Can I explore historical sites while gravel biking in the park?

Yes, the park offers a fascinating blend of nature and history. You can cycle to the ancient Arditurri Mining Complex, which dates back to Roman times. Other historical points of interest include the Irugurutzeta Furnaces, Tunnels of the Old Meazuri Mines, and ancient megalithic structures like the Oianleku Cromlech.

Are there circular gravel bike routes in Aiako Harria Parke Naturala?

Many of the gravel bike routes in Aiako Harria Parke Naturala are designed as loops, allowing you to start and end at the same point. Examples include the Hendaye Beach – Boulevard de la Mer - Hendaye loop from Oiartzun and the Lantxurda Tunnel – Endara-San Anton Reservoir loop from Hendaia. These circular routes are great for exploring different parts of the park without retracing your steps.

What do other gravel bikers enjoy most about gravel biking in Aiako Harria Parke Naturala?

The area is highly rated by the komoot community, with an average score of 4.7 stars from over 70 reviews. Reviewers often praise the diverse landscapes, from ancient granite peaks to dense woodlands, and the unique combination of natural beauty with historical significance, such as the Arditurri Greenway leading to old mining complexes.

Is Aiako Harria Parke Naturala suitable for dog-friendly gravel biking?

While the guide doesn't specify dog-friendly routes, many natural parks in the region allow dogs on trails, often requiring them to be on a leash. It's always best to check local regulations or specific trail signage before heading out with your dog, especially in protected areas.

What is the best time of year for gravel biking in Aiako Harria Parke Naturala?

The Pyrenean foothills generally offer pleasant conditions for cycling during spring and autumn, with milder temperatures and beautiful scenery. Summer can be warm, especially at lower elevations, while winter may bring cooler, wetter weather, and potentially slippery conditions in some rugged sections. Always check the local weather forecast before your ride.

Are there any routes that pass through tunnels?

Yes, some routes incorporate historical railway tunnels. For instance, the Bidassoa Railway Tunnels – Lantxurda Tunnel loop from Ventas de Irún specifically traverses railway tunnels, offering a unique and interesting feature to your ride.

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