Location: Son Trach Commune, Bo Trach District, Quang Binh Province, about 50 kilometers to the northwest of Dong Hoi City. Characteristics: This is the only cave in Viet Nam operating ‘‘mud-bathing inside the cave’’ service.
(TITC) – Located in the core area of Phong Nha – Ke Bang National Park, on the bank of Chay River, Toi Cave typifies geological tectonics of 400-500 million years ago. Explored and named by the British Caving Association (BCA) in 1992, the cave has length of 5,558m, width of 50m, height of 80m and includes front entrance (adjacent to Chay River) and back entrance (next to the forest).
The cave has many kinds of stalactites with abundant colors and shapes. In particular, some rare stalactites with parasitic fern are vestige of geology in strong motion period.
The geologists also explored sections of underground river in Toi Cave as well as a natural freshwater lake named Thuy Tien and a 20m2 mud lake containing vital minerals for health.
Besides, Toi Cave area is home to animal species such as bat, swallow..., especially Ha Tinh langur – one of the primate species in Viet Nam’s Red List.
Currently, series of attractive tourism services in Toi Cave area are operated by Phong Nha – Ke Bang Tourism Centre. From the animal observation tower, visitors can experience 400m long zip-line service crossing the Chay River to the front entrance of Toi Cave, mud-bathing in the cave, kayaking on the river and take part in some water activities.