La Dalle aux Ammonites, Provence Travel Guide

La Dalle aux Ammonites, located a short distance from Digne-les-Bains, is a geological treasure and one of the most emblematic sites within the UNESCO Geopark of Haute Provence. This extraordinary open-air museum features a large rock strata, inclined at 60°, bearing over 1,500 fossilized ammonites. These fossils, primarily of the species Coroniceras multicostatum, date back approximately 200 million years to the Lower Jurassic period. Some of the largest ammonites measure up to 70 cm in diameter.The site offers visitors a unique opportunity to walk among these ancient marine fossils, preserved in a 320 square meter area. The ammonite slab provides insights into the region's geological history and the diversity of life in the Jurassic seas. Discovered in 1941 during roadworks, the site was further excavated in 1979 and later expanded to its current size by the Geological Reserve of Haute-Provence.Visitors can explore the site and learn about the geological forces that created this unique environment. Informative displays enhance understanding of paleontology and environmental changes. Guided tours are available for those seeking a deeper dive into the science behind these ancient relics. Recent enhancements have made the site accessible to all, including those with reduced mobility, thanks to the installation of an observation platform. The site also serves as a starting point for several hiking trails, allowing visitors to further explore the surrounding area.