Trou de Bone, located in Tadine, Loyalty Islands, New Caledonia, is a stunning natural sinkhole known for its crystal-clear turquoise waters, offering exceptional snorkeling and swimming opportunities. The accessibility might be limited due to the natural terrain, so inquire about trail conditions beforehand. A solo visit is possible for experienced adventurers, but guided tours are recommended to fully appreciate the area and ensure safety. Seasonal restrictions might apply due to weather conditions, particularly during the rainy season. The cost is relatively low, mainly encompassing transportation and potentially a small entrance fee or tour cost. A typical visit lasts between 2 to 4 hours, providing ample time for swimming and exploring the surrounding area.