From Phong Nha: Explore Phong Nha Cave by Kayak

Phong Nha Cave is truly a world-class wonder! Experts from the British Royal Cave Association said it has high artistic and unique value, based on seven amazing global features back in 1997. Simply put, this cave is special because it holds several records: it features the longest wet cave, the biggest and highest entrance, the largest and prettiest sandy banks/reefs inside, and the most beautiful underground lake. Furthermore, visitors can witness the most magnificent and stunning stalactites and marvel at the most beautiful underground river, along with exploring a big and high dry cave section, making it a true record-holder for underground beauty.