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Xe Bangfai River Cave: A Subterranean Wonder

Explore one of the world's largest river caves, a hidden gem in Laos' Hin Nam No National Park.

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The Xe Bangfai River Cave, located within the Hin Nam No National Protected Area in Laos, is one of the world's largest active river caves. The Xe Bangfai River has carved a 6.4 km path through the karst terrain, creating a unique and stunning underground landscape.

A brief summary to Xe Bangfai River

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Local tips

  • Check the local weather forecast before your visit, as certain seasons may affect river activities and accessibility.
  • Hire a local guide to explore hidden gems along the river and learn about the area's cultural significance.
  • Bring your own headlamp or rent one at the ticket office, as there is no internal lighting within the cave.
  • Consider an overnight stay in Ban Nong Ping to fully enjoy the Xe Bang Fai Cave and surrounding area.
  • Be prepared for a bumpy ride, as the road to the cave can be rough, especially during the wet season.
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Getting There

  • Car

    From Thakhek, travel east along Route 12 to Mahaxay (43km), then turn right to Panam junction (25km). Turn left at Panam to go to Boualapha (68km). From Boualapha, turn left after the District Administration Office, then take the 1st turn right (230m) to go to Ban Nong Ping (14km). The final 14km to Ban Nong Ping can be a bumpy ride. During the rainy season, road access may be difficult, but boat access from Ban Pakphanang is available.

  • Boat

    From Ban Pakphanang, take a scenic two-hour boat trip along the Nam Phanang River to Ban Nong Ping, which provides access to the Xe Bangfai River Cave. This route is particularly useful during the rainy season when road access is limited. Prices for the boat are typically posted on a board in Ban Pakphanang. Contact the head of the boat association, who lives next to the board, to arrange the boat. Boat trip prices are posted on a board.

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Discover more about Xe Bangfai River

The Xe Bangfai River Cave is a remarkable natural wonder in Laos, hidden within the Hin Nam No National Protected Area. The cave, carved by the Xe Bangfai River over millions of years, boasts an active river passage that stretches 6.4 kilometers, with an average width of 76 meters and a height of 53 meters. In some areas, the cave expands to a staggering 200 meters wide and 120 meters high. Until a National Geographic expedition in 2008, the cave remained largely unknown to the outside world, adding to its mystique. Local villagers traditionally knew the cave as Tham Khoun Xe, believing it to be the source of the Xe Bangfai River and home to a benevolent spirit. Legend has it that this spirit would lend beautiful clothes for ceremonies and even restore broken musical instruments. Inside, visitors can witness stunning cave formations, including flowstone draperies, cave pearls, and massive gour pools. The cave supports a unique ecosystem, housing endemic species like the cave spider and cave-adapted scorpion. Boating trips are available, allowing visitors to explore up to 2 kilometers into the cave before encountering rapids. A climb through a branch cavity leads to a chamber called Dragon Hatchery, offering a dimly lit view of the massive opening. While the cave is generally not recommended to enter between June and October due to high water levels, the area remains open for other activities, including homestays and exploring nearby attractions.

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