Gypsum museum with mining tunnel

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A visit to the former gypsum mine in Schleitheim - which gives an insight into the gypsum mining methods of the 18th/19th century - is a real experience! It is the only gypsum mine in Switzerland that you can visit.

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In the 18th and 19th centuries, gypsum mining in above-ground and underground quarries provided work and income for the entire Schleitheim region. Schleitheim gypsum was a much sought-after product. Today, visitors can follow in the footsteps of the former gypsum crushers around 200 meters deep into the mine, until - as the miners once did - a small lake stops them in their tracks. The water and air temperature in the tunnel is around 10 degrees in summer and winter. Penetrating the gypsum layer, which was deposited around 240 million years ago, through the miners' secured and periodically checked tunnels is a fascinating and educational experience.