Linked to the minting of coins, silver played an essential role in medieval France from the 10th to the 14th century. Sainte-Marie-aux-Mines is located in a particular geological area constituted of numerous faults and fractures. Surface water infiltrates to great depths and dissolves certain chemical elements contained in the rocks. The spaces created are filled with minerals such as copper, silver, or lead and form deposits. Tellure mining park installed a via ferrata that allows discovering its ore galleries.