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Heritage classified

Key figures

Origin and history

The Merveilles Valley, located in the Mercantour massif in Tende (Alpes-Maritimes), houses an exceptional set of more than 40,500 prehistoric rock engravings, mainly dated from the final Neolithic and ancient bronze age. These petroglyphs, discovered at the end of the 19th century, span 1,400 hectares and include representations of cattle, weapons, anthropomorphs and geometric motifs. The engravings, made by percussion (cupules) or incision (V-strings), suggest religious concerns or pastoral rites linked to an agropastoral civilization.

The engravings are concentrated around Mount Bégo (2,872 m), considered sacred, with two major valleys: Wonders and Fontanalba, which alone house almost 50% of the representations. The rocks used, mainly pelites and sandstones, preserved these testimonies thanks to their resistance and high altitude exposure (over 2,000 m). The first systematic studies were conducted by Clarence Bicknell (1897) and Carlo Conti (1927-1942), before Henry de Lumley and his team systematically catalogued the site from 1967, combining surveys, casts and digitization.

The site also includes more recent historical engravings, dating from the 2nd century (Grivase Latin inscription) until the modern era, reflecting the passage of soldiers, sailors, or shepherds. These linear additions, often signatures or representations of objects (baionnets, sailboats), contrast with prehistoric petroglyphs. The vitrified wall, accessible via the GR52, concentrates the majority of these historical engravings, with the exception of two bronze age daggers.

The interpretations of prehistoric engravings vary: Lumley's Henry sees a proto-written symbolic language linked to agropastoral rites, while Emilia Masson offers a cosmological reading (heaven-earth union, divine cycles). Other hypotheses, such as that of Chantal Jègues-Wolkiewiez, link figures to astronomical alignments, suggesting a giant observatory dedicated to the bull, symbol of fertility. Mount Bégo, often represented, would have been divinized for its role in hydrological and stormy cycles.

The geological context explains the conservation of the engravings: the rocks, from permian sediments (greenish siltites of the Wonders Formation), resisted the glacial erosion that occurred 10,000 years ago. The current glacial model (polies, moraines) shaped the landscape, while the absence of local mesozoic series strengthens the sedimentary isolation of the site. This heritage, classified as a historic monument in 1989 and integrated into the Mercantour National Park, enjoys strict protection to limit degradation.

The development of the site, initiated in the 1990s by the DRAC Provence-Alpes-Côte d'Azur and the National Park, now covers visits via approved guides. A great hiking trail (GR52) allows to observe some engravings, but leaving the path without accompaniment is forbidden. The Departmental Museum of Wonders in Tende offers an essential introduction before the visit, exposing casts and scientific interpretations. Current research, conducted by international students, continues to enrich archival databases.

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