El Cachucho Marine Protected Area: Recorded Seismic Activity and Earthquake History Catalogue

Picos de Europa National Park: Dramatic Limestone Peaks and Protected Landscape Atlas

Explore Spain's historic national park and UNESCO Biosphere Reserve.

Picos de Europa National Park offers an unparalleled exploration of dramatic limestone peaks, deep glacial valleys, and extensive Atlantic forests. As Spain's oldest national park and a UNESCO Biosphere Reserve, it presents a remarkable study in karst landscape evolution and biodiversity conservation. This protected area, spanning significant territory across northern Spain, provides a rich geographic context for understanding regional natural heritage and mapped natural features.

Area

671.27 km²

Established

1918

IUCN

II

Relief

Mountain

Reserva de la biosfera de Urdaibai: Protected Coastal and Estuarine Geographic Atlas

Mapping wetlands, forests, and cliffs in the Basque Country

Explore the complex terrain of Reserva de la biosfera de Urdaibai, spanning the tidal Oka estuary to the peaks of Mount Oiz. This protected landscape is defined by its vast saltmarshes, Cantabrian oak forests, and dramatic coastal cliffs that anchor the natural geography of the Basque Country.

Area

224.52 km²

Established

1984

Relief

Mixed relief

Climate

Temperate

Reserva de la biosfera de los Ancares Leoneses: Protected Mountain Terrain and Atlas

Mapping the Sierra de Ancares river valleys in Provincia de León

Examine the geographic layout and protected boundaries of the Reserva de la biosfera de los Ancares Leoneses. This biosphere reserve serves as a critical mountain corridor, featuring complex river basins and diverse forest cover that highlight the region's environmental and cultural history across the Spanish highlands.

Area

567.86 km²

Established

2006

Relief

Mountain

Scope

Terrestrial

Reserva de la Biosfera de Los Ancares Lucenses y Montes de Cervantes, Navia y Becerreá Protected Area Map

Mountainous terrain and river valley geography in Lugo, Spain

This protected area covers the dramatic Sierra de Ancares, featuring steep mountain slopes and deep river valleys that define the geography of Galicia. The reserve spans a significant vertical relief, providing essential habitats for brown bears and capercaillie while preserving traditional rural mountain land use systems and ancient forest ecosystems.

Area

536.64 km²

Established

2006

Relief

Mountain

Climate

Temperate

Reserva de la biosfera de las Tierras del Miño: Mapped Landscapes and Geographic Overview

Extensive riverine forests and wetland networks in northwestern Spain

Explore the expansive territory of Reserva de la biosfera de las Tierras del Miño, spanning a large portion of the Galician interior. This protected area features a mosaic of wetlands, riparian corridors, and mountainous terrain, offering a deep look into the ecological and cultural geography of the upper Miño river basin.

Area

3,636.69 km²

Established

2002

Relief

Lowland

Scope

Terrestrial

Sabinares del Arlanza-La Yecla: A Detailed Protected Landscape and Map of Burgos

Ancient juniper woodlands and deep limestone ravines in Castilla y León.

This protected area centers on the remarkable juniper forests and the narrow, vertical walls of the La Yecla gorge. The landscape serves as an essential habitat for cliff-nesting raptors while bridging the terrain between the Sierra de la Demanda foothills and the Arlanza River basin. The map captures the geological diversity of these limestone structures and the expansive botanical value found within this significant Spanish natural entity.

Area

391.74 km²

Established

2020

IUCN

V

Relief

Upland

Reserva de la biosfera de las Mariñas Coruñesas y Tierras del Mandeo: Regional Geography and Maps

A diverse protected area across Galicia, Spain

This biosphere reserve serves as a vital ecological refuge along the Cantabrian-Atlantic coast. The protected area features a unique mosaic of marine and terrestrial habitats, ranging from rocky coastal cliffs and sandy estuaries to dense Atlantic forest fragments and the mountainous interior of the Sierra de la Cova da Serpe.

Area

1,139.7 km²

Established

2013

Relief

Mixed relief

Climate

Temperate

Valles del Jubera, Leza, Cidacos y Alhama: Protected Landscapes in La Rioja, Spain

A biosphere reserve featuring limestone gorges and dinosaur fossil sites

Valles del Jubera, Leza, Cidacos y Alhama forms a distinct mid-mountain region in northern Spain where four river valleys have carved deep passages into the earth. The area serves as a vital protected landscape containing rich paleontological history, thermal springs, and traditional Mediterranean forests. This atlas entry details the natural boundaries and geographic character of one of Spain's significant biosphere reserves.

Area

1,196.69 km²

Established

2003