Lào Cai Province than with snowing conditions. Fog and frost are a common phenomenon in the province. Lào Cai is a mountainous region. In the northwest of the province is Phan Xi Păng (also called Fansipan; elevation , snow covered during winter season), Vietnam's highest mountain. It is located in the Hoàng Liên Sơn and the Hoàng Liên National Park. The Sa Pa Mountains form the western part of the province. While the province is drained by over 100 rivers, the main river that bisects the province is the Red River, (), the most significant river of northern Vietnam, which flows out of
Pang Xi and Guo Si, the warlords controlling the Han central government and the figurehead Emperor Xian. However, Ma Teng lost the battle and both Liu Fan and Liu Dan were killed. At the time, as Pang Xi was a family friend of Liu Yan, he turned to his network of friends for help in helping Liu Fan and Liu Dan's families escape from Chang'an (the imperial capital under Li Jue and Guo Si's control) and bringing them safely to Yi Province, thus preserving Liu Yan's posterity. Following Liu Yan's death later in 194, his youngest son Liu Zhang succeeded him as