|Location:||Phong Nha - Ke Bang tourist complex, Quang Binh province. Binh Lu Commune, Phong Tho District. Near Hue, 50 km northwest of Dong Hoi. 500 km south of the capital, Hanoi.|
|Light:||Incandescent Electric Light System|
|Address:||Phong Nha-Ke Bang National Park, Son Trach, Bo Trach, Quang Binh, Viet Nam, Tel: +84-5236-77021, Fax: +84-5236-77021. E-mail:|
|As far as we know this information was accurate when it was published (see years in brackets), but may have changed since then.
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|1550||first described by Duong Van An.|
|1920||area exploited for tourism.|
|09-AUG-1986||Phong Nha Nature Reserve declared.|
|1991||Phong Nha Nature Reserve extended to 41,132 ha, approved management plan.|
|19-MAY-2000||Phong Nha - Ke Bang National Park (PNKBNP) established.|
|2003||inscribed on the UNESCO World Heritage List.|
Phong Nha Cave is a large cave system with a cave river. A tour follows this cave river from the huge mouth through 14 chambers. Outside the river is called Son River, but when it enters the cave it is called Nam Aki River. Its resurgence is 20 km to the south near Pu-Pha-Dam Mountain.
The boat trip follows the river for 1.5 km, where the cave becomes impassable. At 800 m the visitors leave the boat for a short walk through a dry passage called Shallow Cave.