In the south of Albania, according to a Czech research team, lies the largest known underground thermal lake in the world. This natural wonder is hidden in an extensive cave system in the Vromoneri Valley near the border with Greece.

According to the report, the lake measures 138 meters in length and 42 meters in width. Its volume is approximately 8,335 cubic meters of thermal mineral water.

According to the researchers, it surpasses the previous record holder, an underground thermal lake beneath a Turkish bath in Budapest.

The history of the discovery dates back to 2021. At that time, a Czech research team was exploring a partially unexplored cave system with numerous thermal springs.

During this exploration, the researchers encountered a rising steam column. It led the team to an abyss about 100 meters deep, which was named „Atmos.“

At the bottom of this abyss, the researchers finally found the enormous thermal lake. It was named „Neuron“ after the Neuron Foundation, which supported the expedition.

To determine how large the lake actually is, the research team returned with modern measuring technology.

Using 3D scanners and sonar technology, the underground structures and the lake were measured more precisely. It was revealed that „Neuron“ is larger than previously known underground thermal lakes.

The cavity above the water also reaches enormous dimensions. According to the Neuron Foundation, the main hall of the Prague National Theatre would fit three times into the dome above the lake.

Geologically, the cave world is also extraordinary. The thermal water has a high hydrogen sulfide content.

When this comes into contact with the air, sulfuric acid is formed. This attacks the limestone and dissolves it over long periods. This creates new underground cavities.

According to the underlying report, this process could lead to the existence of other previously unknown cave areas in the region.

As spectacular as the images of the lake appear: The report does not indicate that „Neuron“ is regularly accessible to travelers. It was discovered and surveyed during scientific expeditions in a partially unexplored cave system.

Those visiting Albania should not confuse the thermal lake with a developed show cave. Its secluded location under the mountainous landscape in the south of the country makes the discovery extraordinary.

(Red)

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