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Transportation can be negotiated to take you there from Phong Nha village. Buy a ticket at the hut under the sign off the road, then wander the bamboo bridges and paths along both sides of the river/rapids. Go back to see where the river springs up out of the ground. This is also on the road to the Thien Duong (Paradise) Cave.
Dark Cave
A real adventure cave, still without the lights and large tourist groups to spoil the experience. Explore this spectacular cave on a National Park tour or independently, and after kayaking across the river, enjoy swimming through the cave with your headtorch leading the way, then explore a side passage. Hang Toi is a wonderful and very accessible example of the beautiful caves that are found throughout this region.
Discovered in 2016 by a local man, this cave has the potential to be the 2nd biggest cave in the world. The first tourists experienced this cave in 2017. Green Land Tours is the only company that offers access to each of the cave's two entrances. The tours are led by the man who discovered the cave and spent 2 years exploring it. The Ruc Mon Cave is named after the indigenous people who made a home at the entrance until the 1980s. The cave is 17 km long, with one entrance in Phong Nha-Kẻ Bàng National Park and the other at the border of Laos. This cave has the potential to be the second biggest cave in the world, following the first biggest cave also located in a Phong Nha. One of over 300 caves in Phong Nha Ke Bang National Park, this cave is probably the least-explored of the many caves open to tourists.