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Routes
Road cycling routes
Spain
Basque Country
Biscay
Guernika-Bermeo

Urdaibai

The best road cycling routes around Urdaibai

4.4

(97)

4,236

riders

69

rides

Road cycling routes around Urdaibai traverse a diverse landscape where the Oka River estuary meets the Bay of Biscay. The region features a rugged coastline with cliffs and coves, encircled by low mountains and lush woodlands. This undulating terrain provides a mix of challenging climbs and descents, with quiet, paved roads connecting charming villages and offering panoramic vistas of the sea and estuary. The area's natural features, including salt marshes and forests, contribute to varied cycling experiences.

Best road cycling…

Last updated: May 10, 2026

4.8

(12)

166

riders

#1.

Biscay Tour Trail: Gernika - Elantxobe Loop

33.0km

01:41

550m

550m

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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Moderate

38

riders

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate
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Popular around Urdaibai

Nature and Culture — The Tour of Urdaibai (GR 98)

By the sea and the mountains – Tour of Biscay (GR 123)

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Nature and Culture — The Tour of Urdaibai (GR 98)

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Ana- Remoteana

Tips from the Community

Juliane
May 19, 2026, Castillo de Butrón

The castle is gigantic and beautiful to look at, unfortunately it has been surrounded by a construction fence for ages. Unfortunately, you can't see much. Whether the detour is worth it, everyone has to decide for themselves.

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Recreation of Picasso's famous painting. The original can be seen in Madrid.

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1

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ChTh
October 18, 2025, Castillo de Butrón

Definitely a highlight, but unfortunately, the castle was covered in scaffolding when I visited. The castle dates back to the Middle Ages but was later almost completely rebuilt.

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GB
October 9, 2025, Puerto de Morga

tomorrow

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Good port and fast descent. Very good climb.

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1

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Cool castle, graceful as it stands there. By the way, a really beautiful hiking area.

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3

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Wall reproduction of Picasso's painting "Guernica" exhibited at the Reina Sofía Museum in Paris.

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This medieval castle is one of the most beautiful in Biscay. It is located in a beautiful setting, on a hill and on top of some rocks, and is surrounded by a century-old forest.

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3

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Frequently Asked Questions

How many road cycling routes are available in Urdaibai?

Urdaibai offers a wide selection of road cycling routes, with over 70 tours available on komoot. These routes cater to various skill levels, from moderate rides to more challenging ascents.

What kind of terrain can I expect when road cycling in Urdaibai?

The terrain in Urdaibai is diverse, characterized by a unique meeting point of rivers, sea, and mountains. You'll find quiet, impeccably paved roads that traverse charming villages, dense forests, and ascend to viewpoints. The region's undulating topography includes gentle mountains and hills, providing a mix of challenging climbs and exhilarating descents.

Are there easy road cycling routes suitable for beginners in Urdaibai?

Yes, Urdaibai offers routes suitable for beginners. There are 4 easy routes and 34 moderate routes available, providing options with more manageable elevation gains. These often connect towns and offer scenic views without overly strenuous climbs.

Are there challenging routes for experienced road cyclists in Urdaibai?

Absolutely. For experienced road cyclists, Urdaibai provides plenty of challenges. There are 35 difficult routes, including significant ascents over picturesque mountain passes. Routes like Monte Oiz and Balcón de Bizkaia Loop or La Tejería de Murueta, Paresi, Garaioltza and return to Gernika — circular by the Río Oca feature substantial elevation gains and rewarding views.

What natural features or landmarks can I see along the road cycling routes in Urdaibai?

Road cycling routes in Urdaibai often pass through or offer views of significant natural and cultural landmarks. You can experience the expansive salt marshes of the Urdaibai Estuary, dramatic coastlines, and lush Cantabrian holm oak forests. Notable attractions include the artistic Oma Forest, the historic Santimamiñe Cave, and charming fishing villages like Mundaka and Bermeo. You might also catch glimpses of the iconic San Juan de Gaztelugatxe from certain viewpoints.

Are there any specific viewpoints worth visiting on a road cycling tour in Urdaibai?

Yes, Urdaibai is rich with stunning viewpoints. Many routes lead to panoramic vistas of the sea and the Mundaka estuary. Specific highlights include the View from San Pedro de Atxarre, Views over the Urdaibai marsh, and the Balcony of Bizkaia, which offers breathtaking perspectives of the region's diverse landscape.

What do other cyclists say about road cycling in Urdaibai?

The road cycling routes in Urdaibai are highly rated by the komoot community, with an average score of 4.6 stars from over 110 reviews. Cyclists often praise the varied terrain, the well-maintained roads, and the stunning natural beauty, from the estuary wetlands to the rugged coastline and green mountains. Over 4000 road cyclists have used komoot to explore this region.

Are there circular road cycling routes in Urdaibai?

Yes, many road cycling routes in Urdaibai are designed as loops, allowing you to start and finish in the same location. Examples include the popular Biscay Tour Trail: Gernika - Elantxobe Loop and the challenging Climb to the Sollube antennas and to the Urdaibai Biosphere Reserve - circular from Bermeo.

Is parking available for road cyclists in Urdaibai?

Yes, parking is generally available in the towns and villages that serve as common starting points for road cycling routes, such as Gernika and Bermeo. It's advisable to check local parking regulations and availability, especially during peak seasons.

What is the best time of year for road cycling in Urdaibai?

Urdaibai offers good road cycling conditions for much of the year. The spring and autumn months typically provide pleasant temperatures and lush scenery, ideal for exploring. Summer can also be excellent, though it might be busier. The region's Atlantic climate means mild winters, but always check the local weather forecast before heading out.

Are there cafes or amenities along the road cycling routes in Urdaibai?

Many road cycling routes in Urdaibai pass through or near charming villages and towns like Mundaka, Bermeo, and Gernika. These locations offer various amenities, including cafes, restaurants, and shops where you can refuel and rest. It's a good idea to plan your route to include these stops for refreshments.

Is Urdaibai a family-friendly destination for road cycling?

While Urdaibai offers routes for various skill levels, road cycling with young children might be more challenging due to the undulating terrain and potential for traffic on some roads. However, families with older, experienced cycling children may find suitable moderate routes. For general family-friendly outdoor activities, the region's beaches and natural parks offer many options.

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