Les Sireniens Travel Guide

Les Sireniens, nestled in the picturesque region of Castellane, is a remarkable heritage site dedicated to preserving the fossils of ancient marine mammals, specifically sirenians, the ancestors of modern dugongs and manatees. Around 40 million years ago, this area was covered by a warm sea, home to these peaceful creatures. Today, visitors can explore a unique paleontological site featuring hundreds of fossilized bones.The site showcases a key moment in the history of the Alps, marked by the collision of continental blocks approximately 35 million years ago. The fossils found here provide valuable insights into the evolution and transformations of these marine mammals. The well-marked trails, including a scenic 2-kilometer path, wind through lush woodlands and meadows, offering breathtaking views of the Alpes-de-Haute-Provence region. Informative panels enhance the experience, detailing the geological history and the significance of the fossils.Les Sireniens is not just about fossils; it's an opportunity to connect with nature and appreciate the delicate balance of ecosystems. The moderate difficulty of the trails makes it accessible for both seasoned hikers and beginners. The site is located near the Col des Lèques, about 7 kilometers from Castellane, and includes features such as a footbridge and viewpoints overlooking the surrounding mountains and valleys.