Grotte de la Troisième, Cave entrance in Île des Pins, France.
Grotte de la Troisième is a cave system on Île des Pins with multiple chambers connected by narrow passages. The entrance leads along a forest path down to underground rooms where a large freshwater pool sits within the rock formations.
The cave system formed over millions of years through limestone erosion beneath the island's surface. These geological processes created the chambers and passages that visitors explore today.
Local Kanak tribes maintain connections to the cave, integrating it into their traditions and sharing knowledge with visitors about its significance.
Bring sturdy shoes and a flashlight since the ground is rough and many areas lack natural light. The pathways are narrow in places and require careful footing when moving through the underground spaces.
The underground freshwater pool offers visitors the rare chance to swim and dive deep beneath the earth's surface. This activity makes the cave distinctive among other cave explorations on the island.
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