Best natural monuments around Busturia are situated within the Urdaibai Biosphere Reserve in the Basque Country, a UNESCO-recognized natural enclave. This region offers a diverse array of ecosystems and landscapes, including significant wetlands, coastal areas, and forests. Busturia's natural features provide opportunities to observe wildlife and experience varied terrain. The area is characterized by its rich biodiversity and geological formations.
Last updated: May 19, 2026
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The short hike up to the chapel is very worthwhile. It is quite strenuous, but the views of the coast make up for it. A great place that you should definitely see.
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The Oma Forest - Omako basoa in Basque - is also known as the painted forest, the enchanted forest or even the Ibarrola Forest. Its most common name - Oma Forest - refers to the district in which it is located, which belongs to the municipality of Kortezubi. This original work of art was created between 1982 and 1985, when the Basque painter and sculptor Agustín Ibarrola used the trunks of trees as a kind of canvas for a total of 47 images. On them he painted animals, geometric figures and people, or just parts of them, such as eyes and lips. In addition, many of the compositions do not consist of a single tree, but must be viewed in the context of several tree trunks. To do this, you must pay attention to the signs on the ground that tell the viewer where to stand in order to enjoy the whole image.
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When the Condor attacked, the residents of Guernica tried to protect the tree with their bodies because it is sacred to the Basques. Even today, elected politicians have to swear their loyalty to the Basque Country at an oak tree that stands a few meters away.
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In 1982, artist Agustín Ibarrola began painting the pine trees in the forest near his homestead with the intention of using the landscape as a canvas to give continuity to his artistic expression. It is at this moment when he decides to break the law of perspective and transgress the three-dimensionality of a white line until it becomes two-dimensional. From then on, he explored the possibilities offered by the arrangement of the forest trees, playing with the different planes of depth and creating artistic sets composed of human figures, curves or straight lines, and circles of intense colors. The ideas and concepts that it develops become more complex and advances in various directions as the painted forest expands. With the help of two students from the Faculty of Fine Arts of the UPV/EHU, he carried out a large part of the work that was open to the public until 2018, at which time the biological cycle of the forest came to an end. Given the importance that the work had acquired, the Provincial Council of Bizkaia began the process of making the Forest last, for which it had from the first moment the support of the artist who had made clear his desire for the forest to survive. In this way and in order to preserve El Bosque de Oma, the Ibarrola work has been moved to a new location, also recovering original artistic ensembles lost due to felling, attacks and natural tree falls. Today we can enjoy El Bosque de Oma more complete and more faithful to the artist's original idea.
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The Forest of Oma is one of the best-known works of the Basque artist Agustín Ibarrola and is an expression of the artistic movement known as Art and Nature, which emerged in the late sixties of the 20th century and whose purpose is to convey artistic work to the natural environment, using the landscape as a framework, support and raw material for the artist. The work, located in the town of Kortezubi (Bizkaia), is made up of several sets of geometric motifs and figures painted on the trunk of radiata pine trees. The use of natural living supports, the play of two-three-dimensionality and the experience of placing the visitor at the center of the work of art through his discovery, as well as the diversity of responses it proposes, make this work a reference of the Art and Nature movement and of Basque Art in particular.
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Water is appreciated during the climb.
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Due to the number of tourists who wish to visit San Juan de Gaztelugatxe, it is no longer freely accessible to the beginning of the stairs leading up to the hermitage. Now it is necessary to reserve access (free), go through a turnstile and make a steep descent until you reach the base of the hermitage stairs.
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A beautiful view. You have to do it at least once in your life.
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Visitors frequently enjoy the unique blend of nature and art at Oma Forest, known for its painted trees. Another highly popular spot is Saint John of Gaztelugatxe, a historical site on a spectacular islet offering breathtaking views of the Cantabrian coast. The Matxitxako Lighthouse also provides stunning panoramic views and is excellent for bird and cetacean watching.
Yes, several natural monuments are suitable for families. Oma Forest is a great option, offering an enchanting experience with its painted trees. The Matxitxako Lighthouse is also family-friendly, providing expansive views. Additionally, San Antonio Beach, located within the Urdaibai Biosphere Reserve, is easily accessible by train and features a pine forest with a children's park, making it ideal for families.
The Urdaibai Biosphere Reserve, which encompasses Busturia, is a haven for wildlife. The wetlands are particularly significant for birdwatching, attracting migratory species such as curlews, herons, egrets, and various duck species. Occasional sightings of spoonbills, swans, and ospreys are also possible. The Atlantic Countryside ecosystem supports larger mammals like foxes and roe deer, alongside birds such as swallows and thrushes.
Busturia offers a rich blend of natural beauty and history. The 16th-century Romanesque Artzubi Bridge, nestled in a forest and part of the Camino de Santiago, is a notable historical natural monument. Saint John of Gaztelugatxe, with its hermitage dating back to the 10th century, is another significant historical site set against a dramatic natural backdrop.
Absolutely. The Matxitxako Lighthouse offers a 270° panoramic view of the Cantabrian coast. You can also enjoy incredible vistas of the Urdaibai marsh from various points along the road, where the landscape dynamically changes with the tides. Atxapunte Hill, covered in Cantabrian holm oak forest, provides spectacular views of Busturia's neighborhoods and the marshland from its summit.
The area around Busturia is excellent for various outdoor activities. You can find numerous hiking trails, including moderate routes like the Laida Beach – Laga Beach loop. For cycling enthusiasts, there are MTB trails such as the Bermeo Harbor loop and gravel biking routes like the Guernica Mural in Gernika – Artzubi Bridge loop. You can explore more options on the Hiking around Busturia, MTB Trails around Busturia, and Gravel biking around Busturia guide pages.
The Urdaibai Biosphere Reserve Wetlands are a vital natural sanctuary, recognized by UNESCO. They are considered among the most productive ecosystems globally, acting as a crucial link between marine and terrestrial environments. These marshlands are formed by the confluence of saline and fresh waters, creating a unique muddy substrate that supports a rich diversity of life, especially migratory birds. They offer a landscape that changes every few hours with the tides, making them a fascinating place to observe nature.
Yes, the region is home to significant caves. The Cueva de San Pedro (San Pedro Cave) near Axpe houses one of the largest bat colonies in Bizkaia, including several fragile and endangered species. While access is restricted to protect the bats, its ecological importance is immense. Also, in nearby Kortezubi, the Santimamiñe Cave is an archaeological site featuring captivating cave paintings that offer a glimpse into prehistoric civilizations.
Busturia is characterized by its lush forests, particularly the Cantabrian holm oak forests, which are a valuable natural feature within the Urdaibai Biosphere Reserve. These forests contribute significantly to the rich environment of the estuary. Additionally, the famous Oma Forest, known for its unique artistic intervention on tree trunks, is a prominent forest attraction in the area.
Visitors frequently praise the stunning natural beauty and diverse landscapes, from the wild Cantabrian coast at Saint John of Gaztelugatxe to the serene Urdaibai marsh views. The unique artistic experience of Oma Forest is also a highlight. Many appreciate the blend of history and nature, such as the 16th-century Artzubi Bridge. The opportunity for birdwatching and enjoying family-friendly spots like San Antonio Beach also receives positive feedback.
Yes, some natural attractions are accessible by public transport. For instance, San Antonio Beach is conveniently accessible by train, making it an easy destination for families and those without private vehicles. For other areas, it's advisable to check local transport schedules and routes, as accessibility can vary.
The Urdaibai Biosphere Reserve, including Busturia, offers beauty year-round. However, for birdwatching in the wetlands, the migratory seasons (spring and autumn) are particularly rewarding. For general outdoor activities and enjoying beaches like San Antonio, the warmer months from late spring to early autumn provide pleasant weather. It's always a good idea to check local weather forecasts before your visit.


Extend your search for the best caves by checking out these guides of the top ones around Busturia: