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The largest underground lake in the world discovered in Europe

12/05/2025 11:56 - UPDATED 12/05/2025 11:56

Largest underground lake in the world. Travel. There are many secrets hidden deep under the ground – long caves, hidden grottos, and huge underground lakes. Some of them may even hold unknown forms of life or future sources of energy. Now, scientists have made an amazing discovery: the largest underground lake in the world has been found in Europe. It may sound like something from a movie, but it’s real – and closer than many would expect.

Largest underground lake in the world

The giant underground lake was found in the south of Albania, in the Vromoner region. It’s called Lake Neuron, and it surprised researchers with its size and depth. For many years, no one knew it existed.

According to the travel website siviaggia.it, the lake is 138 meters long and 42 meters wide. It holds over 8,300 cubic meters of water – that’s more than three Olympic swimming pools! It’s now considered the largest underground thermal lake ever discovered.

Why This Lake Matters

Lake Neuron is important not just for science, but also for energy. It may help us better use geothermal energy – the natural heat stored in the ground. This heat can be used to warm buildings or even make electricity.
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Hot springs have been used since ancient times for healing and relaxation. The Romans built thermal baths, and today countries like Iceland use underground heat as a major energy source. Thanks to this discovery, Albania might also become a leader in clean, geothermal energy.

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