Font d'Estramar, Natural spring in Salses-le-Château, France
Font d'Estramar is a natural spring in Salses-le-Château that discharges water through an extensive network of underground passages and cavities. The spring feeds into a system of submerged galleries that extend beneath the landscape.
The spring has attracted explorers and divers for decades seeking to map its underwater passages. It has developed into a location where technical diving expeditions attempt to reach greater depths.
Font d'Estramar maintains significance in the diving community as a testing ground for advanced underwater exploration techniques similar to those used in the French Alps.
The spring is located in a protected area where entry into the water is prohibited due to the hazardous conditions for visitors. You can view the site from the surface and observe the water emerging from the ground.
The spring combines fresh and salt water within a single underground system, which is unusual for this type of location. This mixing creates distinctive conditions that shape what lives in its waters.
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