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Spain
Basque Country
Biscay
Duranguesado
Durango

Mount Oiz Circular Trail

Hard

55

riders

Mount Oiz Circular Trail

04:26

41.5km

1,060m

Road cycling

Challenging 25.8-mile road cycling route from Durango to Mount Oiz, featuring steep climbs and panoramic views of the Basque coastline.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Urdaibaiko biosfera erreserba/Reserva de la Biosfera de Urdaibai

Waypoints

A

Start point

Parking

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1

19.2 km

Climb to Mount Oiz

Highlight (Segment) • Climb

Very steep climb to the top of the Oiz. Gradients of over 20 percent make the ascent a feat of strength. For me the hardest part was in the middle …

Translated by Google •

Tip by

2

26.4 km

This is the point where one of the most brutal climbs in the Basque Country begins. This climb between mills has been the end of several stages of the tour of the Basque Country, with an impressive arrival among crowds.

Translated by Google •

Tip by

B

41.5 km

End point

Parking

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Way Types & Surfaces

Way Types

21.2 km

17.8 km

1.88 km

667 m

Surfaces

24.9 km

8.64 km

8.07 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 (990 m)

Lowest point (100 m)

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Weather

Powered by Foreca

Sunday 10 May

19°C

7°C

28 %

Additional weather tips

Max wind speed: 7.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to complete the Climb to Mount Oiz — circular from Durango?

This challenging racebike route usually takes around 4 hours and 25 minutes to complete. This duration can vary based on your fitness level and how often you stop to enjoy the views.

What is the terrain like on the climb to Mount Oiz?

The route features varied terrain. Initially, you'll find narrow roads in good condition. As you ascend, sections become significantly steeper, with gradients exceeding 20% and even reaching up to 24% from the Ganbe crossroads. The last 5 kilometers of the climb are primarily a corrugated concrete road surface. While re-surfaced for the 2018 Vuelta a España, some parts can still be bumpy with potholes. Near the very top, you might encounter short unpaved sections over stones, potentially requiring you to push your bike.

Are there any notable viewpoints or landmarks along the route?

Absolutely. As you gain elevation, the scenery becomes spectacular. You'll pass through forests before emerging above the tree line, revealing impressive open landscapes and wind turbines near the summit. From the upper sections and the peak, you're treated to stunning panoramic views of the entire Basque coastline, the Urdaibai Biosphere Reserve, and on clear days, even the western Pyrenees. The views from the "Balcony of Bizkaia" are particularly noteworthy.

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

The best time to cycle this route is generally during the spring and autumn months when temperatures are milder and the weather is more stable. Summer can be very warm, and winter may bring adverse conditions, especially at higher elevations.

Is the Climb to Mount Oiz — circular from Durango suitable for beginners?

No, this route is consistently rated as a "difficult" road ride and requires a very good level of fitness. With an elevation gain of approximately 1,060 meters and gradients up to 24%, the upper section is extremely challenging. It is not recommended for beginners.

Where can I park in Durango to start this cycling route?

Durango offers various parking options within the town. It's advisable to look for public parking areas in the town center or near the outskirts, which provide convenient access to the starting point of the circular route.

Do I need any special permits or pay entrance fees for this climb?

No, you do not need any special permits or have to pay entrance fees to cycle the Climb to Mount Oiz — circular from Durango. The route uses public roads and trails.

Is this route dog-friendly?

This route is designed for racebiking on roads, which is generally not suitable for dogs. If you are looking for dog-friendly walking trails in the Mount Oiz area, you would need to explore alternative routes.

What are the main highlights along the way?

The primary highlights of this route are the challenging Climb to Mount Oiz itself, and the San Kristobal Hermitage and Windmills Climb. These sections offer both physical challenge and stunning scenery.

Does this route intersect with other well-known paths?

Yes, the route incorporates sections of several other paths, including Monte Oiz: Vertiente Goiuria, Monte Oiz: Vertiente Milikua, and [CIMA BI13] Monte Oiz * Gernika. You will also briefly cross parts of the Ardoaren eta arrainaren bidea.

What should I be aware of regarding the road surface near the summit?

While the corrugated concrete road surface leading to the summit was re-surfaced for the 2018 Vuelta a España, some parts, especially from the Iurreta approach, can still be bumpy and have potholes. Be prepared for short unpaved sections over stones near the very top, which might require you to dismount and push your bike.

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