Clue de Barles, Natural gorge in Alpes-de-Haute-Provence, France
The Clue de Barles is a narrow gorge carved through limestone along the Bès River, featuring steep walls that define its dramatic passage. The site divides naturally into three distinct sections, each with varying width and wall formations.
The gorge took shape approximately 30 million years ago during the geological development of the mountain region. Early naturalists including Gassendi began examining the rocks and fossils here during the 17th century.
The entrance features a sculpture by Andy Goldsworthy that connects contemporary art with the natural landscape. It shows how modern artists engage with this geological setting through creative interventions.
The gorge is accessible throughout the year via route D900, allowing visitors to explore by car, motorcycle, or bicycle. The road passes through the area and provides several viewpoints to observe the formations.
The oldest visible rock layers here date from the Carboniferous period, approximately 300 million years ago. These ancient formations represent some of the most ancient rocks exposed in the Haute-Provence Geopark.
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