The World’s Largest Cave! | Inside Vietnam’s Hidden Wonder – Phong Nha-Kẻ Bàng National Park

Phong Nha-Kẻ Bàng National Park in Vietnam is home to the world’s largest cave system, including **Hang Sơn Đoòng, the largest cave by volume. This UNESCO World Heritage Site features **over 300 caves and grottoes*, many of which remain unexplored. Highlights of Phong Nha-Kẻ Bàng National Park: •⁠ ⁠Hang Sơn Đoòng: Discovered in 1991 and fully explored in 2009, it has a massive chamber large enough to fit an entire city block with skyscrapers. It also contains its own weather system and jungle. •⁠ ⁠Phong Nha Cave: Known for its underground river, spectacular stalactites, and prehistoric carvings. •⁠ ⁠Paradise Cave (Thiên Đường Cave): A stunning 31 km-long cave with otherworldly formations. •⁠ ⁠Dark Cave (Hang Tối): A unique adventure site where visitors can kayak, zipline, and swim in mud baths. •⁠ ⁠Tu Lan Cave System: Famous for its waterfalls, underground rivers, and adventurous trekking routes. Please subscribe and stay tuned ‪@BilloMattAdventures‬