The longest and most spectacular caves are in Pang Mapha District, a small district in the north of Maehongson, with the mountain landscape. Most of the populations are hill tribes such as Lishu, Lahu and Yao. There are 11 villages: Bann Maelana, Bann Pang Kam, Bann Maihung, Bann Jabo, Bann Yapanae, Bann Padang, Bann Mailun, Bann Huayhia, Bann Lukkaolam, Bann Papuek, Bann Borkrai.