Razval, Salt lake in Sol-Iletsk, Russia.
Razval is a salt lake in Sol-Iletsk with water approximately seven times saltier than ocean water. The water's extreme salinity makes the lake different from typical freshwater lakes in the region.
The water formed in the 1800s after a salt mine collapsed and gradually filled with water over time. This natural process created the hypersaline lake that exists today.
The lake plays a role in the daily life of Sol-Iletsk residents, who use its healing waters for bathing and wellness purposes. This practice connects to local traditions passed down through generations and remains part of local routines today.
The lake is accessible from May through September when conditions are best for swimming. Medical stations and changing facilities are available on-site for visitors.
The lake displays a striking thermal pattern where depths reach around -12 degrees Celsius while the surface warms to about 30 degrees in summer. This temperature difference creates unusual conditions rarely seen in freshwater systems.
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