Last Updated: September 15, 2025 by Michael Kahn. Published: September 15, 2025.
Get ready to find out why Spain’s nature reserves are considered one of the main natural attractions of the European continent.
The 55 biosphere reserves included in the UNESCO World Heritage List will reveal to you all the diversity of ecosystems and the richness of natural landscapes.
Keep reading and be amazed by the 5 natural wonders hidden within its territory.
1. Selva de Irati (Navarre) — one of the largest beech and fir forests in Europe
Crossed by the Zatoia and Anduña rivers, Irati is a huge green area covering 17,000 hectares of virtually untouched forest. You can observe herds of deer. Walk along the mountain trails. Discover the amazing legends of its valleys: Aeskoa and Salazar.
2. Doñana National Park (Andalusia): more than 300 species of birds
Doñana National Park is an ecosystem rich in fauna and flora. You will be impressed by its dunes, sands, and amazing estuaries. And all this with an incredibly mild Mediterranean climate.
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3. Somiedo Natural Park (Principality of Asturias): a route among lakes.
Somiedo surprises with its high-altitude meadows, huge summer pastures, and abundant water. In your free time, you can explore its pristine natural landscapes.
4. Bardenas Reales Natural Park (Navarre): a sea of clay and gypsum.
The desert landscape of Bardenas, an ideal location for film enthusiasts, appears in such iconic series as Game of Thrones. On foot or by bicycle, lose yourself among the sands, in the highlands and gorges of another galaxy.
5. Las Catedrales Beach (Galicia) — a work of natural art.
Only at low tide can you walk among the impressive arches and caves right on the seashore. You will be surrounded by crystal clear waters and corridors of white sand. This majestic natural monument will remain in your heart forever.
Sugarramurdi Cave, or Sorchinen Leizea (Navarra)
This karst cave in the Pyrenees of Navarra is widely known in Spain for its connection to the world of witches. The Inquisition presented it as clear evidence of witchcraft practices. This fact formed the basis of the film “The Witches of Sugarra Murdi” by Spanish director Alex de la Iglesia. It is a magical place that holds countless tales and legends. You can learn more about this topic at the Sugarra Murdi Witch Museum, located nearby.
It is a truly enchanting place.
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