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Gipuzkoa
Bajo Deba

Zec Arno Kbe

The best MTB trails in Zec Arno Kbe

4.2

(106)

698

riders

80

rides

Mountain bike trails in Zec Arno Kbe traverse a natural park, offering a diverse landscape for riders. The region features a mix of coastal views, river valleys, and inland terrain, including areas with karst formations and hills. Riders can expect varied elevations and natural surroundings throughout the trails.

Best mountain bike trails in Zec Arno Kbe

  • The most popular mountain bike trail is Kalamua Summit – Sanctuary of Arrate loop from Mutriku, a 28.5 miles (45.9 km) trail that…

Last updated: May 23, 2026

4.5

(2)

13

riders

#1.

Kalamua Summit – Sanctuary of Arrate loop from Mutriku

45.9km

04:36

1,480m

1,480m

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard
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Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Tips from the Community

Ana- Remoteana
September 21, 2025, Sanctuary of Arrate

The road leads you to the legendary Arrate Sanctuary, a historic summit for Basque cycling and the final stage of numerous editions of the Tour of the Basque Country and the Tour of Spain.

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That is NOT A FOREST! It is a single plantation of eucalyptus. In reality it is a disaster painted green, green as hell.

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A curious hermitage where you can also stop to rest or eat something. Until the 18th century it was dedicated to Saint Vincent and is considered the primitive parish of Berriatua. It has an information panel.

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Javi Jaavii
November 9, 2023, Kalamua Summit

This 770 meter high summit is an excellent vantage point from which to observe the mountains that surround us. It is an outcrop of slate. At its vertex, in addition to beautiful views, you can find several mailboxes.

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As you can see, this hamlet is located inside a sinkhole, which also makes it somewhat sheltered from the wind. This is another of the curiosities that can be seen in this area of great geological interest.

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This is a good point from which to observe the central depression of Olatz, 250 meters high. This depression has been formed over thousands of years by the action of water on the limestone rock. As part of the Olatz georoute, you can find an information panel here.

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Also known as Puente de Calatrava, because it was built by the famous architect and engineer Santiago Calatrava. It is built right at the mouth of the Artibai River, when it pours its waters into the Cantabrian Sea. It is 70 meters long.

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Sascha
October 29, 2023, Ondarroa

Nice place with 2 beaches, not very touristy, cozy bar by the river for pinchos and a glass of wine

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Frequently Asked Questions

How many mountain bike trails are available in Zec Arno Kbe?

Zec Arno Kbe offers a wide selection of mountain bike trails, with over 80 routes available for exploration. These range from moderate to difficult, catering to various skill levels.

What kind of terrain can I expect on mountain bike trails in Zec Arno Kbe?

The mountain bike trails in Zec Arno Kbe traverse a diverse landscape, featuring a mix of coastal views, river valleys, and inland terrain. You can expect areas with karst formations and hills, offering varied elevations and natural surroundings. The region is typical of a 'Zone d'exploitation contrôlée' (Zec), providing natural landscapes like forests and varied topography.

Are there trails suitable for beginners or families in Zec Arno Kbe?

While Zec Arno Kbe primarily features moderate to difficult trails, there is at least one easy route available. For families or beginners, it's recommended to check the specific trail details on komoot to ensure it matches your comfort and skill level. Most routes are rated moderate or difficult.

What are some notable viewpoints or natural attractions along the trails?

Many trails offer scenic views. For example, the View of the Olatz Depression – Karst Farmhouse loop from Mutriku passes by the View of the Olatz Depression and the Karst Farmhouse. Other highlights in the region include Arno Summit (618 m), offering panoramic vistas.

Do I need a permit to mountain bike in Zec Arno Kbe?

As Zec Arno Kbe is likely a 'Zone d'exploitation contrôlée' (Zec), permits are typically required for access to these managed territories. It is advisable to check the official Zec Arno Kbe website or local regulations for specific permit requirements and purchase options before your visit.

Are there any circular mountain bike routes in Zec Arno Kbe?

Yes, many of the mountain bike routes in Zec Arno Kbe are circular. Popular options include the challenging Kalamua Summit – Sanctuary of Arrate loop from Mutriku and the moderate Arrikrutzeko hilarria loop from Mutriku.

What is the best time of year for mountain biking in Zec Arno Kbe?

While specific seasonal details for Zec Arno Kbe are not provided, ZECs in similar regions typically offer excellent mountain biking conditions from late spring through early autumn. This period generally provides favorable weather, dry trails, and accessible facilities. Always check local weather forecasts and trail conditions before heading out.

Where can I park when accessing mountain bike trails in Zec Arno Kbe?

Specific parking locations for Zec Arno Kbe are not detailed in the guide. However, ZECs generally provide designated parking areas at trailheads or main access points. It is recommended to consult a detailed map or the official Zec Arno Kbe resources for precise parking information.

What do other mountain bikers say about the trails in Zec Arno Kbe?

The mountain bike trails in Zec Arno Kbe are highly rated by the komoot community, with an average score of 4.1 stars from over 100 reviews. Riders often praise the varied terrain, challenging climbs, and scenic coastal and inland views.

Are there any challenging mountain bike trails for experienced riders?

Absolutely. Zec Arno Kbe offers numerous challenging routes for experienced mountain bikers. For instance, the Kalamua Summit – Sanctuary of Arrate loop from Mutriku is a difficult 45.9 km trail with significant climbs, and the View of Mutriku Harbor – Ondarroa Bay loop from Mutriku is another difficult 43.4 km path offering coastal and bay views.

Can I bring my dog on the mountain bike trails in Zec Arno Kbe?

Policies regarding dogs on trails within ZECs can vary. While many ZECs are dog-friendly, some may have specific rules, such as requiring dogs to be on a leash or restricting access in certain areas. It's best to verify the current regulations directly with Zec Arno Kbe management before planning your ride with a dog.

What are some of the longer mountain bike routes in the area?

For longer rides, consider the Lea River – Karraspio Beach loop from Mutriku, which spans 58.3 km. Another substantial option is the Kalamua Summit – Sanctuary of Arrate loop from Mutriku, covering 45.9 km.

Most popular routes in Zec Arno Kbe

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