La Grande Saline de Salins-les-Bains

The prosperity of the town of Salins has been linked to the drawing and the use of salt water for about a thousand years.
Underground galleries and a hydraulic boring system of the 18 th and 19 th centuries are the remains of these activities, they testify to the methods of water drawing.
The saltworkers'barden can be discovered in the building of the boilers. ' white gold ' was hard to get.
Today, brine is stil pumped froma rock-salt layer which is 246 meters deep and is led towards the spa.
The saltworks closed down in 1962.