Best natural monuments around Ondarroa, a fishing village on the Basque coast, are characterized by a rugged natural landscape. The area features coastal elements, the Artibai River estuary, and is connected to the broader Basque Coast Geopark. These natural features offer diverse geological formations and scenic views for exploration. The region provides a variety of outdoor experiences, from beaches to impressive cliffs and river environments.
Last updated: May 9, 2026
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Popular around Ondarroa
Nature and Culture — The Tour of Urdaibai (GR 98)
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Road Cycling Routes around Ondarroa
Cycling around Ondarroa
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MTB Trails around Ondarroa

Gravel biking around Ondarroa
A must-have photo upon reaching the summit...
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Edwin, I've been drinking water from that spring for over 30 years. In fact, all of us in Berriz drink water from the springs in Oiz. I'd say it's some of the best water you can drink in the Basque Country, hehe.
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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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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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This hexagonal-shaped hermitage from the 18th century was built because the previous one was in ruins. The three large rocks inside draw attention, holding each other together. Within these rocks is the figure of the Archangel Saint Michael.
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There is a fountain here and the views are quite good of the valley below. I'm not sure if the water is drinkable. It probably is, but I'm not sure I'd risk it.
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Viewpoint from which to enjoy the most mountainous landscape of the Urdaibai basin. Located on the slopes of the Oiz, the balcony of Bizkaia is an emblematic enclave from where you can see the forest mass of the area in all its breadth. There is a legend that tells that this place was a place where the witches met when night fell. More info at: https://www.urdaibai.eus/es/balcon-de-bizkaia/
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Very nice vantage point on the coast. However, once you've conquered the nearby Oiz, you're more likely to drive past here.
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Ondarroa's natural landscape is characterized by rugged coastal features, the Artibai River estuary, and its connection to the broader Basque Coast Geopark. You'll find impressive cliffs, sandy beaches like Arrigorri and Saturraran, and unique geological formations such as the 'black flysch'. The area also features summits offering panoramic views and natural springs.
Yes, the coastline around Ondarroa is part of the Basque Coast UNESCO Global Geopark, known for its spectacular scenery and impressive cliffs. A notable geological formation is Eskilantxarri, a distinctive bedrock crag near Saturraran beach, which is a unique sea stack. The area also features 'black flysch' formations, revealing millions of years of geological history.
For stunning views, consider visiting Kalamua Summit, a 770-meter high outcrop of slate with excellent vantage points. Another great spot is Balcón de Bizkaia Viewpoint, which offers expansive views of the mountainous Urdaibai basin. Kalamendi Summit also provides views of the surrounding mountains and even the sea due to its coastal proximity.
Yes, several natural monuments are suitable for families. The Balcón de Bizkaia Viewpoint and Ederra Spring are both categorized as family-friendly. Additionally, the beaches like Arrigorri and Saturraran offer opportunities for relaxation and water activities for all ages.
The area around Ondarroa offers a variety of outdoor activities. You can explore numerous running trails, such as the 'Old Bridge of Ondarroa – Ondarroa loop', or mountain biking routes like 'Lekeitio Old Town and Basilica – Lekeitio loop'. Road cycling is also popular, with routes like 'Coastal roads of Ondarroa, Lekeitio and Ea'. For more details on these activities and routes, you can check the guides for Running Trails, MTB Trails, and Road Cycling Routes around Ondarroa.
Yes, the Hermitage of San Miguel de Arretxinaga is a notable site. This hexagonal-shaped hermitage from the 18th century is unique for the three large rocks inside that hold each other together, within which the figure of the Archangel Saint Michael is placed. It combines natural elements with historical and religious significance.
The best time to visit the natural monuments around Ondarroa is generally during the spring and autumn months when the weather is mild and pleasant for outdoor activities like hiking and exploring the coastline. Summer also offers warm temperatures ideal for beach activities, though it can be busier. Winter can be cooler and wetter, but still offers opportunities for quiet exploration.
Yes, the Ederra Spring is a known natural monument where you can find a fountain. Locals often attest to the quality of the water from springs in the Oiz area, considering it some of the best in the Basque Country.
The coastline is special due to its rugged beauty and geological significance as part of the Basque Coast UNESCO Global Geopark. Visitors can enjoy impressive cliffs, sandy beaches like Arrigorri and Saturraran, and the unique 'flysch' formations that reveal millions of years of Earth's history. The dynamic environment where the Artibai River meets the Cantabrian Sea also adds to its natural appeal.
Beyond the well-known spots, consider exploring Eskilantxarri, a distinctive sea stack near Saturraran beach, which is geologically unique to the Geopark. The Peña del Fraile is another prominent natural rock formation that protects Ondarroa's seaside area and contributes to the picturesque setting, offering a less-traveled natural landmark.
The terrain around Ondarroa can vary from sandy beaches to rugged coastal paths and mountainous areas. Summits like Kalamua Summit and Kalamendi Summit are categorized as intermediate difficulty, indicating some challenging sections. Many routes offer moderate difficulty, suitable for those with a reasonable fitness level. Always check specific route details for elevation and conditions.


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