📜 Vestiges of a 1st-century Romano-Celtic fanum and its courtyard, dedicated to Mars. 🔍 It is the largest Gallo-Roman sanctuary in Brittany, featuring an octagonal cella. # Why Go 🏛️ Explore ancient Roman temple ruins 🇫🇷 Discover Gallo-Roman history in Brittany ✨ Witness the highest Roman vestige in Brittany 📱 Use free 3D app for interactive historical tour 🚶 Easy access near Corseul center # Tips 💡 Combine your visit with the Coriosolis Archaeological Museum in Corseul. 💡 Informational plaques in French describe history. 🅿️ Free parking available on site. 📍 Located at Haut-Bécherel, Corseul.