The purity of Bonneval mineral water
Bonneval mineral water originally comes from rain, melting snow or ice – in a word, meteoric water from the surrounding Alps.
Over time, this meteoric water seeps into a network of compact rock at an altitude of around 2000 metres, free from any human pollution.
It slowly percolates downwards, drop by drop, to a depth of 2,500m below the earth’s surface.
The water then heats up, reaching temperatures of around 80°C. Variations in altitude, the heat of the water and the effects of magmatic gases will push it naturally towards the surface through faults in the Alps.
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2000 years of history
This whole process takes thousands of years, 2000 years on average.
On its journey to the surface, Bonneval’s water travels for years through sedimentary layers, loading itself with minerals from the Savoie relief.
It is the interaction with the minerals in these rocks that gives it its unique taste and composition.
Mineral water extracted without drilling
This preserved water, naturally loaded with minerals, ends its journey by gushing to the earth’s surface at 28°C, freely and continuously.
It is here, at the Bonneval-les-Bains spring in the commune of Bourg-Saint-Maurice in Savoie, that the water is captured without drilling. Its exceptional purity is reflected in the absence of PFAS or pesticides (such as the chlorothalonil metabolite), pollutants that degrade the quality of our groundwater and some other waters. To preserve this resource, Bonneval has undertaken never to draw more than 20% of its capacity. In this way, the mountain remains intact and the water cycle is respected.
