Volcan de Lemptégy is a remarkable geological tourism site located near Clermont-Ferrand in the Chaîne des Puys, a UNESCO World Heritage landscape in the Auvergne region of France. Visitors can venture inside a real volcano through guided walks and tourist train rides lasting around two and a half hours, exploring the volcanic interior alongside immersive educational pathways and historical mining equipment. A 4D cinema experience brings the volcanic story to life, while summer nights feature spectacular light and sound shows. The site also hosts mineral trade shows and seasonal events. Families, school groups, and geology enthusiasts are all welcome, and an on-site restaurant serving local cuisine plus lodge accommodations make extended visits possible.