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Viengxay Caves: A Journey into Laos's Secret City

Explore Viengxay Caves: Uncover Laos's secret wartime city, a testament to resilience and history hidden in stunning limestone formations.

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The Viengxay Caves, nestled in the remote mountains of northeastern Laos, offer a captivating glimpse into a hidden city that sheltered over 20,000 people during the Laotian Civil War. Explore the network of nearly 500 caves that served as homes, hospitals, schools, and military headquarters for the Pathet Lao, and discover the resilience of the Lao people during a turbulent period in their history.

A brief summary to Viengxay caves

  • C62H+7HJ, Viang Xai, LA

Local tips

  • Book tours at the Viengxay Caves Visitor Centre for a guided exploration of the key cave complexes.
  • Consider renting a bicycle to explore the caves and surrounding town.
  • Wear comfortable shoes for walking and bring a light jacket as the cave interiors can be cool.
  • Visit during the dry season (November to April) for stable weather and clear skies.
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Getting There

  • Walking

    The Viengxay Caves are best accessed from the Viengxay Caves Visitor Centre. From the center, most caves are within walking distance, though the distances between them can be significant. The center provides maps and information to navigate the area. Remember that the terrain can be uneven, so wear appropriate footwear.

  • Public Transport

    To reach the Viengxay Caves from Sam Neua, the provincial capital, you can take a songthaew (a type of shared taxi) from the southern bus station. The journey costs approximately 25,000 LAK, and the songthaews typically depart around 8:30 AM. Alternatively, you can hire a tuk-tuk or taxi for around 150,000 LAK. Keep in mind that public transport options may be limited or canceled if there aren't enough passengers.

  • Bicycle

    Bicycles can be rented from the Viengxay Caves Visitor Centre. A standard bicycle typically costs around 15,000 LAK per day. This is a great way to explore the area at your own pace and reach caves that are further apart. Be prepared for some hills, as the terrain is mountainous.

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Discover more about Viengxay caves

The Viengxay Caves, also known as the “Hidden City”, represent a network of almost 500 caves in the Houaphanh Province of Laos. During the Second Indochina War (1964-1973), these limestone karsts served as a refuge for more than 20,000 civilians and Pathet Lao soldiers from American bombardment. The caves weren't just bomb shelters; they were transformed into a functional underground city, complete with residences, hospitals, schools, government offices, a theater, and even a clothing factory. Today, the Viengxay Caves stand as a historical and cultural landmark, offering visitors a unique insight into Laos's wartime past and the resilience of its people. Exploring the caves is like stepping back in time, with preserved living spaces, kitchens, and bomb shelters that offer a glimpse into daily life during the war. Key caves to explore include Kaysone Phomvihane's Cave, the former residence and office of the Pathet Lao leader, and Prince Souphanouvong's Cave, which served as an important command center. The Xanglot Cave, once a central area for rallies and meetings, and the Artillery Cave, a military installation, are also worth visiting. The Viengxay Caves Visitor Centre provides tourist information and displays about the history of the conflict. Audio tours in both English and Lao are available, enhancing the visitor experience.

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