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Biscay
Ondarroa

Ondarroa

The best walks and hikes around Ondarroa

4.4

(88)

588

hikers

19

hikes

Hiking around Ondarroa offers diverse landscapes, from rugged coastlines and impressive cliffs to the tranquil Artibai River estuary and surrounding forests. The region is characterized by varied elevations, including mountainous terrain and prominent rock formations like Peña del Fraile. This unique geographical position provides a range of trails for different fitness levels, allowing for exploration of both coastal and inland features.

Best hiking trails around Ondarroa

  • The most popular hiking route is Ondarroa - Tontorramendi Summit Loop, a 7.5…

Last updated: May 10, 2026

4.8

(5)

14

hikers

#1.

Ondarroa - Tontorramendi Summit Loop

12.1km

03:42

450m

450m

Hike the moderate 7.5-mile Cumbre de Tontorramendi circular route from Ondarroa, offering scenic views and diverse terrain.

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Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Popular around Ondarroa

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

Road Cycling Routes around Ondarroa

Cycling around Ondarroa

Running Trails around Ondarroa

MTB Trails around Ondarroa

Other adventures around Ondarroa

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

Hiking Collection by

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Tips from the Community

Joseba Nieves Martin
March 31, 2026, Kalamendi Summit

A must-have photo upon reaching the summit...

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The fishing port of Ondarroa offers a glimpse into the daily work of the local fishermen. Large barges and warehouses for the catch can be viewed up close. Those who can withstand the smell of fish and follow the path to the end of the quay wall will be rewarded with a view of Ondarroa, the rugged coastline, and the hilly surroundings.

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Stefan S.
September 9, 2025, Escalera

The trail is steeper and more challenging at this point than indicated by Komoot. Surefootedness is required, especially in wet weather.

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This path between the center of Obekolaldea and Ondarroa is ideal for walking while you follow the course of the Artibai River.

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Javi Jaavii
November 9, 2023, Kalamendi Summit

Modest summit of 315 meters of altitude with a small mailbox from which you can see the surrounding mountains and even the sea, due to its proximity to the coast. At the top there is a geodesic vertex.

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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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This 386 meter high summit is located in the Arno massif, above the town of Ondarroa. This is a good point from which to observe the Cantabrian Sea and some of the peaks that surround you.

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Next to the GR123 is this small, but beautiful hermitage, surrounded by green mountains and right on the dividing line between Bizkaia and Gipuzkoa.

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Frequently Asked Questions

How many hiking trails are available around Ondarroa?

Ondarroa offers a diverse selection of over 15 hiking trails, catering to various fitness levels. These routes explore the rugged coastline, the Artibai River estuary, and the surrounding mountainous terrain.

Are there easy hiking trails suitable for beginners in Ondarroa?

Yes, Ondarroa has several easy hiking options. For instance, the Old Bridge of Ondarroa – Ondarroa loop from Ondarroa is an easy 3.8-mile (6.1 km) path that takes just under 1.5 hours to complete, offering a pleasant stroll through the town's historic center and along the river.

What kind of terrain can I expect on hikes around Ondarroa?

The terrain around Ondarroa is quite varied. You can expect rugged coastlines with impressive cliffs, sandy beaches, and the winding Artibai River estuary. Inland, the routes often feature mountainous terrain and forests, providing a mix of coastal paths and more challenging ascents to summits.

Are there any circular hiking routes in Ondarroa?

Yes, many routes in Ondarroa are circular, allowing you to start and end in the same location. A popular option is the Ondarroa - Tontorramendi Summit Loop, a moderate 7.5-mile (12.1 km) trail that offers panoramic views from the Tontorramendi Summit.

Are there family-friendly hiking options in Ondarroa?

While specific family-friendly routes are not always explicitly marked, many of the easier trails along the Artibai River estuary or the promenade connecting Ondarroa with Arrigorri Beach are suitable for families. These paths offer gentle gradients and scenic views without significant challenges.

Can I bring my dog on hikes in Ondarroa?

Generally, dogs are welcome on many of the natural trails around Ondarroa. However, it's always advisable to keep them on a leash, especially in areas with wildlife or near livestock, and to check local regulations for specific trails or protected areas. Remember to carry water for your pet and clean up after them.

What natural features or landmarks can I see along the hiking trails?

Ondarroa's trails offer a wealth of natural and historical sights. You can encounter the prominent rock formation of Tontorramendi Summit, explore the Artibai River estuary, or walk along the rugged coastline. Historic sites like the Old Railway Tunnel and various hermitages are also accessible on foot, offering tranquility and spectacular views.

What do other hikers enjoy the most about hiking in Ondarroa?

The hiking experience in Ondarroa is highly rated by the komoot community, with an average score of 4.4 stars from over 80 reviews. Hikers often praise the diverse landscapes, from stunning coastal vistas to peaceful forest paths, and the well-maintained trails that cater to different ability levels.

Are there any trails that offer views of the Bay of Biscay?

Absolutely. Many coastal trails provide breathtaking views of the Bay of Biscay. The Old Bridge of Ondarroa – View of the Bay of Biscay loop from Ondarroa is a moderate 4.4-mile (7.0 km) path specifically designed to showcase these scenic coastal views, passing by the historic Old Bridge.

Are there any challenging hikes for experienced trekkers?

Yes, for experienced trekkers, Ondarroa offers more demanding routes. The Kalamendi Summit – Tontorramendi Summit loop from Ondarroa is a difficult 12.4-mile (20.0 km) trail that leads through varied terrain to two summits, often taking over 6 hours to complete, providing a significant challenge and rewarding views.

What is the best time of year to go hiking in Ondarroa?

Ondarroa offers pleasant hiking conditions throughout much of the year. Spring and autumn generally provide mild temperatures and lush scenery, ideal for exploring. Summer is also popular, especially for coastal walks and combining hikes with beach visits, though it can be warmer. Winters are generally mild, but some higher elevation trails might be less accessible depending on weather conditions.

Are there any trails leading to historic hermitages or religious sites?

Yes, the region around Ondarroa is home to several historic hermitages accessible by foot. Hiking to the church of Nuestra Señora de la Antigua, situated on a steep hill, rewards climbers with beautiful, expansive views. Along the way, you can also find the hermitages of San Juan and Santa Clara, which are only accessible on foot.

Can I find trails that combine coastal and forest scenery?

Many routes in Ondarroa seamlessly blend coastal and forest environments. The region's unique geography, with its rugged coastline, sandy beaches, and surrounding forests, means you can often transition from sea views to verdant woodlands within a single hike, offering a diverse and engaging experience.

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