According to the province administration, the following estimations can be assumed; Khmu (among them Khmu Lu, Khmu Khong, Khmu Am, Khmu Bit) 60–80%, Lao Loum 25%, Hmong (among them Hmong Khao, Hmong Dam und Hmong lai) 15%.
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The cave is located about 45 km from Muang Xay, capital of Oudomxay Province, at the border of Xay District with Nam Or District.