Natural monuments around Ocón showcase the diverse natural features of the Ocón Valley in La Rioja. This region is characterized by its valleys, rivers, and geological formations. The landscape includes notable features such as the Sierra de la Hez, offering various natural landmarks and viewpoints. Exploring these sites provides insight into the area's geological and ecological characteristics.
Last updated: April 18, 2026
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It's a huge hole. I haven't seen a clear path down.
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It's impressive from above, and even a little frightening from the inside; it's almost impenetrable.
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Although smaller than its neighbors, exploring its interior is like entering a forest of fairies, elves, elves and, of course, some troll 👹
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A sinkhole refers to a special type of geological depression characteristic of karst reliefs, often formed by the collapse of the ceiling of an underground cave. La Redondilla is one of the three sinkholes near the small Rioja town of Zenzano, spectacular for its size.
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Famous for its Cuevas del Ajedrezado caves, the LR-115 highway passes through Santa Eulalia Somera and Santa Eulalia Bajera with the impressive sheer rock as a guide.
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Riding through the valley of the Cidacos River between the mountains of Bergasa and Cabimonteros with its dominant red rock towering above you.
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The region offers several distinct natural monuments. You can explore the impressive geological depression of La Redondilla Sinkhole, known for its spectacular size. Another unique site is Hoya de la Cueva, a gorge described by visitors as an almost impenetrable 'forest of fairies'. For a historical natural blend, visit the Cuevas del Ajedrezado of Santa Eulalia Somera, ancient caves carved into sheer rock.
For natural swimming, head to Gollizo Pool (Jubera River). This section of the Jubera river features a small but attractive waterfall and a pool suitable for swimming. Additionally, the nearby Pozas de Aguas Termales de Arnedillo offer natural thermal pools with mineral-rich waters, perfect for relaxation.
Yes, the Cuevas del Ajedrezado of Santa Eulalia Somera are a notable example. These caves are famous for their impressive sheer rock formations and hold historical significance as ancient dwellings. Further afield, the Cueva de los Cien Pilares in Arnedo is an extensive cave complex with medieval origins, used as a monastery and dwellings, offering a glimpse into traditional cave-dwelling life.
The region is rich in diverse geological formations. You can observe the striking Red Cliffs of Herce, characterized by dominant red rock formations towering above the Cidacos River valley. La Redondilla Sinkhole showcases a significant karst relief, formed by the collapse of an underground cave ceiling. The area also features gorges like Hoya de la Cueva and the impressive sheer rock formations around Santa Eulalia Somera.
The area around Ocón offers a variety of outdoor activities. You can find numerous running trails, including routes like the 'Monte de Vico Loop'. For cyclists, there are extensive road cycling routes such as the 'Valle del Rio Cidacos and ancient town of Turruncun' circular route. Gravel biking enthusiasts can explore options like the 'Ocón and Jubera valleys' on gravel biking routes.
Yes, the Mirador del Buitre (Vulture Viewpoint) near Arnedillo is an exceptional spot. It offers unique opportunities to observe Griffon Vultures in their natural habitat, complete with an interpretation center, outdoor observation points with telescopes, and even a closed-circuit TV system for real-time views of nests. This viewpoint has received awards for sustainable tourism.
The Cidacos Valley, where Ocón is located, is part of a Biosphere Reserve, making it enjoyable throughout much of the year. Spring and autumn generally offer pleasant temperatures for exploring the natural monuments and engaging in outdoor activities like hiking and cycling. Summer is ideal for enjoying natural swimming spots like Gollizo Pool and the thermal baths in Arnedillo.
Absolutely. The Pozas de Aguas Termales de Arnedillo are a great family option, offering warm, mineral-rich pools for relaxation and play, along with recreational areas. The Cidacos Green Route, a 34-kilometer nature trail following a former railway line, is also excellent for families, providing scenic views and easy walking or cycling opportunities. The Route of the Dinosaurs, featuring dinosaur fossils (ichnites), is another engaging activity for children.
The Cidacos Valley, encompassing Ocón and nearby Arnedillo, was declared a Biosphere Reserve by UNESCO in 2003. This designation highlights its significant natural, cultural, and paleontological value. The valley features diverse landscapes, including the Red Cliffs of Herce, the Cidacos Green Route, and important paleontological sites like the Route of the Dinosaurs.
Visitors appreciate the diverse natural features. For instance, Gollizo Pool (Jubera River) is noted for its attractive waterfall and suitability for swimming. La Redondilla Sinkhole is often described as 'spectacular for its size'. The gorge of Hoya de la Cueva is seen as impressive and even 'like entering a forest of fairies'.
Extend your search for the best caves by checking out these guides of the top ones around Ocón:
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