Dak Mai Stream originates from Quang Truc commune, Tuy Duc district, Dak Nong province, flows southwest through the vast forest, reaches Bu Gia Map National Park (Bu Gia Map district, Binh Phuoc province), then changes. The direction flows south to Bu Nga village (Bu Gia Map commune, Bu Gia Map district) expanding from 20-50m and suddenly changing height from 8-10m, creating the majestic Dak Mai waterfall.