Lai Chau is situated on high mountainous region in the North West of Vietnam, northern of Da River. Its neighbors are Yunna (China) on the north, Laos on the west, Lao Cai Province on the north-east, Dien Bien, Son La provinces on the south.
A range of mountain following Northern West - Southern East makes up the terrain The Pu Sa Leng point is 3,096m in height. There are sloping mountains, hill, valley, plateau, spring alternately. Falls and waterfalls with high flow are potential of hydroelectricity in Lai Chau.