Trek Lai Chau is a newly established province situated on high mountainous region, about 3-hour drive from Dien Bien Phu. Its neighbors are Yunna (China) on the north, Laos on the west, Lao Cai Province on the north-east, Dien Bien and Son La Province on the south.

With Tam Duong, Lai Chau is one lunch or an overnight stop for people traveling between Dien Bien Phu and Sapa.