Grand Est
One of the most exceptional mining complexes in French Alsace, where potassium or potash was brought to the surface, is the Carreau Rodolphe.
Route de la Potasse
The French Route de la Potasse is an 18-kilometer-long car or bike tour discovering relics from the potash mining industry in the Alsace region.
- 2 destinations
Grand Est
In 1904, potassium deposits were discovered in French Alsace. Potassium, or potash, is one of the most essential nutrients for plants, together with nitrogen and phosphorus. That is why potash was exploited to make fertilizer.
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In the early nineteenth century, the industrial revolution swept across continental Europe and one steelworks after another rose from the ground. Europe had hundreds of blast furnaces, but since the mid-twentieth century, Europe's steel industry has been slowly going downhill.
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