Tag Archives: Ebro River

Hoces del Alto Ebro and Rudrón natural park

  • Region: Castilla y Leon. (Burgos)
  • Park surface area: 45,767 hectares.
  • Declared a Natural Park: 2008.
  • Special Protection Area for Birds (ZEPA).
  • Towns and villages in the area: Alfoz de Bricia, Basconcillos del Tozo, Los Altos, Sargentes de la Lora, Tubilla del Agua, Valle de Manzanedo, Valle de Sedano, Valle de Valdebezana, Valle de Zamanzas
Points of interest

The Hoces del Alto Ebro y Rudrón natural park is located in the northwest of the province of Burgos and presents a landscape of great beauty. Narrow valley bottoms wedged between steep gorges and cliffs are crossed by the Ebro and Rudrón rivers. These are in contrast to the extensive, almost flat moorlands located at higher altitudes.

A short clip showing the diverse landscape of the Hoces del Alto Ebro y Rudrón natural park
Hoces del Alto Ebro and Rudrón natural park

The Ebro River crosses the north of the province of Burgos from Orbaneja del Castillo to beyond Miranda de Ebro for 150 km in a succession of canyons (hoces) alternating with open valleys, as well as other natural elements in the surroundings that constitute an area of natural interest. The route of the river goes from west to east, but very sinuous, either because it ends up crossing a mountain massif in the most favorable place (dissolution of limestone rocks mainly) or because it forms meanders in the valleys.

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The Las Loras UNESCO Global Geopark

The nearby Las loras UNESCO Global Geopark is halfway between the Castilian Plateau and the Cantabrian Mountain Range. This transitional location gives the region the typical weather and environmental features of the surrounding regions. It also possesses a wide range of environments and biodiversity, with both Euro-Siberian sites as well as Mediterranean sites. In addition, the unusual topography resulted in a peculiar landscape where limestone cliffs and significant high altitude moorlands alternate with gorges and deep valleys created by the river system.

The Las Loras UNESCO Global Geopark
Waterfalls in the The Las Loras UNESCO Global Geopark
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How Invasive Catfish Impact the Ebro River Ecosystem

In the serene waters of Spain’s Ebro River, a growing menace lurks beneath the surface – invasive catfish. This article delves into the profound effects of these unwelcome guests and how invasive catfish impact the Ebro river ecosystem.

The Catfish Invasion

The invasion of catfish in the Ebro River is a story that began decades ago. In the early 1970s, these formidable creatures, known scientifically as Silurus glanis, were introduced into the Mequinenza reservoir by fishermen seeking a new catch. Their origin traces back to the Danube and Volga rivers in central Europe. These native habitats provided the catfish with ample space to grow and thrive, reaching staggering sizes. Reports from the 18th and 19th centuries describe specimens weighing up to a colossal 375 kilograms and measuring up to 3 meters in length.

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