Pyrénées - Mont Perdu

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Exploring the Pyrénées - Mont Perdu: A Transboundary World Heritage Site

The Pyrénées - Mont Perdu, inscribed as a World Heritage Site in 1997, is a testament to the breathtaking beauty and rich geological history of the Pyrenees mountain range. Spanning across the contemporary national borders of France and Spain, this outstanding mountain landscape offers a unique blend of natural wonders and cultural heritage.

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UNESCO Description of the World Heritage Site

This outstanding mountain landscape, which spans the contemporary national borders of France and Spain, is centred around the peak of Mount Perdu, a calcareous massif that rises to 3,352 m. The site, with a total area of 30,639 ha, includes two of Europe's largest and deepest canyons on the Spanish side and three major cirque walls on the more abrupt northern slopes with France, classic presentations of these geological landforms. The site is also a pastoral landscape reflecting an agricultural way of life that was once widespread in the upland regions of Europe but now survives only in this part of the Pyrénées. Thus it provides exceptional insights into past European society through its landscape of villages, farms, fields, upland pastures and mountain roads.

UNESCO Justification of the World Heritage Site

Criterion (iii): The pastures and meadows of the Pyrénées – Mont Perdu, with their villages and trails that link them, are a remarkable witness of a very rare transhumance system in Europe, still practised by seven communities that mainly live adjacent to the property.

Criterion (iv): The high valleys and the calcareous summits of the Pyrénées – Mont Perdu are an outstanding example of a landscape shaped by a pastoral transhumance system that was developed in the Middle Ages and still exists today.

Criterion (v): The model of the habitat of the Pyrénées – Mont Perdu with its villages, fields and meadows, as the basis of a seasonal migration of men and animals to the high pastures during the summer season, is an outstanding example of a type of transhumance that was once widespread in the mountainous regions of Europe, but which today is rare.

Criterion (vii): The property is an exceptional landscape with meadows, lakes, caves, mountains and forests. In addition, the region is of great interest for science and conservation, possessing a panoply of geological, panoramic, faunistic and floristic elements that make it one of the most important Alpine protected areas in Europe.

Criterion (viii): The calcareous massif of Mont Perdu presents a series of classic geological landforms such as the deeply-incised canyons and spectacular cirques. The region is distinguished by its location at the tectonic collision point between the Iberian and west European plates. The property presents an exceptional geological unity, forming a calcareous massif withMont Perdu at its centre. The resulting landscape is considerably different on the northern slopes (France) and the southern slopes (Spain).

Encyclopedia Record: Pyrénées – Mont Perdu World Heritage Site

The Pyrénées – Mont Perdu World Heritage Site is a World Heritage Site straddling the border between Spain and France in the Pyrenees mountain chain. The summit of Monte Perdido is on the Spanish side of the border. The site was designated in 1997 and extended north in 1999 to include the Commune of Gèdre in France.

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IUCN World Heritage Outlook

The 2025 Conservation Outlook on Pyrénées - Mont Perdu reports the following assessment:

Source: International Union for Conservation of Nature (IUCN) · View assessment