Vad lake, Protected natural lake in Nizhny Novgorod Region, Russia.
Vad Lake is a protected natural lake in the Nizhny Novgorod Region with a deep sinkhole that extends downward for many tens of meters. The water consists of two distinct layers, each with its own temperature and clarity levels.
The lake basin formed through natural geological processes and underground spring movements over long periods. Strong spring currents shaped the present structure with its distinctive underwater formations.
The lake serves as a research site for scientists studying freshwater ecosystems. Local communities use it for fishing and observing wildlife.
The lake is located in the eastern Nizhny Novgorod Region and requires special arrangements for access. It is best to check conditions and requirements before planning a visit.
Divers report an optical phenomenon where the pressure of spring currents creates a lens-shaped bulge at the water surface. This rare sight becomes a memorable moment for many underwater visitors.
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