Best natural monuments around Santiurde De Reinosa are characterized by diverse landscapes, including high-mountain plateaus, significant river sources, and dense forests. The region is shaped by the Besaya River and features various geological formations. These natural sites offer opportunities to explore Cantabria's interior and its unique ecosystems.
Last updated: May 20, 2026
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After a beautiful gravel climb, you reach this plateau with stunning views (including the Picos de Europa in the distance). The path then continues for a long time at altitude, with many cows and horses. Take a look: https://www.youtube.com/watch?v=OgEcgF17RDw
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Indeed, a beautiful spot with breathtaking views, both towards the Picos de Europa and other Cantabrian mountains. The (gravel) road there is also stunning; just take a look: https://www.youtube.com/watch?v=OgEcgF17RDw
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Officially, it's the source of the Ebro River, in Fontibre. However, according to what we were told at the tourist office, the waters of the spring pools come underground from the Hijar River, which rises in Alto Campoo. Specifically, in Tresmares, where the Hijar-Ebro begins, flowing into the Mediterranean; the Pisuerga (a tributary of the Duero) flows into the Atlantic; and the Nansa flows into the Cantabrian Sea.
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Spectacular beech forest in the Saja park that is part of the 10,000 of Soplao
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Pure green to enjoy
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Interesting to visit, if you are in the area.
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Fontibre is a small town in the Brotherhood of Suso, just 5 km from Reinosa. Beautiful town and place, where the source of the Ebro River is traditionally located. In fact, the name Fontibre refers to the source of the Ebro, as it derives from the Latin Fontes Iberis ("sources of the Ebro") and is already cited by Pliny the Elder when he mentioned it. It is located near the Roman city of Julióbriga. It doesn't matter when you visit, or at the time of year, because you will always appreciate and enjoy this little walk through the place.
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The region offers a diverse range of natural features, including high-mountain plateaus like El Moral Plateau, significant river sources such as the Source of the Ebro River, and dense forests like the Beautiful section through the beech forest. You can also find river areas with pools, such as the Pool area in the Argonza River, and scenic mountain passes like Puerto de Palombera and Cruz de Fuentes.
Yes, several natural sites are suitable for families. The Source of the Ebro River in Fontibre is an easily accessible and well-signposted route, perfect for a gentle walk. The Beautiful section through the beech forest offers a delightful experience for all ages, especially in autumn. Additionally, the Pool area in the Argonza River is a great spot for families to cool off on warmer days.
For breathtaking panoramic views, consider visiting El Moral Plateau, which offers extensive landscapes and vistas towards the Picos de Europa and other Cantabrian mountains. Puerto de Palombera is also renowned for its spectacular scenery, considered one of Cantabria's most beautiful mountain passes. For even grander views, Tres Mares Peak, though a bit further, provides unparalleled panoramas of the Cantabrian interior and surrounding natural parks.
The region around Santiurde de Reinosa is excellent for various outdoor activities. You can find numerous hiking trails, including moderate routes like the 'Roman Road and Camino Real Loop' or more challenging options such as the 'Pico Jano loop'. Mountain biking is also popular, with routes like the 'Historic Center of Reinosa – Aurora Fountain loop'. For more details on routes, you can explore the hiking guide, MTB guide, and running guide for Santiurde de Reinosa.
The best time to visit depends on your preferred activity. Autumn is particularly recommended for exploring the Beautiful section through the beech forest, as it transforms into a 'festival of colors'. Summer is ideal for enjoying water sports at the Embalse del Ebro or cooling off at the Pool area in the Argonza River. Spring and early summer offer pleasant temperatures for hiking and enjoying the lush landscapes.
Yes, the region is significantly shaped by its rivers. You can visit the Source of the Ebro River in Fontibre, which is the traditional origin of one of Spain's most important rivers. The Besaya River also flows through Santiurde de Reinosa, contributing to the formation of scenic valleys and gorges. Additionally, the Pool area in the Argonza River provides a refreshing natural spot.
Visitors frequently highlight the tranquility and breathtaking views offered by sites like El Moral Plateau. The unique experience of witnessing the humble beginnings of a major river at the Source of the Ebro River is also highly appreciated. Many enjoy the immersive experience of rolling through dense beech forests, especially during autumn, and the opportunity to cool off in natural river pools.
Yes, for those seeking more challenging experiences, the area offers difficult-grade routes. For example, the 'Pico Jano loop from Bárcena' is a demanding hike, and several mountain biking trails are rated as difficult, such as the 'Alsa Reservoir – Casares Village loop'. These routes often feature significant elevation changes and rugged terrain, providing a rewarding challenge. You can find more details in the hiking guide and MTB guide.
While primarily focused on natural beauty, some sites have historical connections. The Source of the Ebro River is near the Roman city of Julióbriga, and the name Fontibre itself derives from Latin, referencing the river's sources. El Moral Plateau features a hermitage that has historical significance as a refuge and a place linked to local legends.
The region is home to beautiful and dense forests, particularly beech forests. The Beautiful section through the beech forest, located within the Saja-Besaya Natural Park, is a prime example. This area offers a wonderful landscape, especially vibrant with colors during autumn, and is part of a significant natural park.
Yes, the Embalse del Ebro, located a short distance from the Source of the Ebro River, is definitely worth visiting. It offers beautiful, calm waters and picturesque landscapes. During the summer months, it's an ideal spot for practicing various water sports, making it a popular destination for recreation and enjoying the natural surroundings.
Yes, several natural monuments are accessible via forest tracks. El Moral Plateau is reached by a truly amazing forest track that offers stunning views along the way. Similarly, the Pool area in the Argonza River is accessed via a cool track running alongside the Argonza River, which then continues into the heart of the Saja-Besaya Park.


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