Ngu Chi Son Mountain is located on the border of Ta Giang Phinh commune, Sa Pa town, Lao Cai province and Son Binh commune, Tam Duong district, Lai Chau province. In the ranking of the 15 highest peaks in Vietnam, Ngu Chi Son ranks 15/15 with an altitude of 2,858m, but in terms of difficulty, Ngu Chi Son is in the 7/10 group. With the appearance when viewed from afar, the five mountains located right next to each other like five fingers pointing straight to the sky look very majestic, with rich, diverse, and pristine vegetation, so they are called De. Most Hung Son of the Northwest.