Ngu Chi Son is a majestic mountain range, 2,858 meters high, belonging to the Hoang Lien Son range, known as the "foremost majestic mountain" and the most beautiful mountain range in Northwest Vietnam. The name "Ngu Chi Son" comes from the distinctive shape of the mountain range, consisting of five main peaks rising vertically towards the sky, resembling the five fingers of a giant hand. The mountain is located on the border between Son Binh commune, Tam Duong district (Lai Chau province) and Ngu Chi Son commune, Sa Pa town (Lao Cai province). Key attractions for tourists: - Challenging terrain: The Ngu Chi Son trekking route is famous for its treacherous slopes, sheer cliffs, and sections requiring climbing wooden ladders along the mountain ridge. - Ideal cloud-hunting spot: The mountain peak is a legendary "cloud-hunting" location, where you can admire the fluffy white sea of ​​clouds swirling around the cliffs. - Terraced rice fields: The trail passes through the terraced rice fields of ethnic minority communities and lush green pine forests. Basic trekking information: - Distance: Approximately 12 km for both the ascent and descent. - Ideal time: Usually takes 2 days and 1 night to complete this trekking route. The best time to trek Ngu Chi Son is from October to the following April. During this period, the Northwest region experiences autumn and winter weather characterized by minimal rainfall and dry conditions, making it safe for climbing. Depending on your preferences, you can choose between these two ideal times: - October – December: The "cloud-hunting" season. The weather is cool and dry, and the air is fresh. - February – April: The season of blooming wildflowers. You can admire ancient rhododendronin various colors (pink, yellow, and red) and camellia blossoms that carpet the paths of the primeval forest in white.