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
Highest unclimbed mountain any locale closer than India. The prohibition was further expanded in 2003 when mountaineering of any kind was disallowed entirely within Bhutan. Gangkhar Puensum will likely remain unclimbed so long as the government of Bhutan prohibits it. It is unclear which is the highest unclimbed non-prohibited mountain. While some recognize only peaks with of topographical prominence as individual summits, the International Climbing and Mountaineering Federation uses a as the cutoff for determining individual summits. Based on the International Climbing and Mountaineering Federation's criteria, Muchu Chhish ( with a prominence of ) in Pakistan is currently the world's tallest that has