Follow the guide into the abandoned tunnels of the Walert mine, more than 80m below ground. See the mining machines and listen to the stories of more than 100 years of iron ore mining. The language of the tour depends on the majority of visitors present. Audio guides in German, French, English and Dutch are available. Rates: 12€ pour adultes, 8€ pour étudiants et 6€ pour enfants. Departures: 14:30, 15:30 and 16:30 Advance booking and tickets: Musée National des mines de fer | Guided mine tour & train (regiondo.com).