Day 1: Sapa – Ban Lech - Thanh Phu - Sin Chai B (L, D) Morning pick up and driven to Ban Lech village where the Red Zao ethnic people are living. Continue trekking along a narrow valley for about 2 hours to reach the Ngoi Boi river and Muong Bo village which is located at the center of Thanh Phu Commune. After lunch and a short rest, you start the afternoon program by trekking gradually uphill to Nam Cum Village and then leave for Sin Chai B village. This village is inhabited by Red Dao ethnic minority people. You will experience home-stay in a local house for a night. Day 2: Sin Chai B – Ben Den – Lao Cai (B, L)  Start your adventure by a long trekking journey towards Lao Cai. En route, especially the route from Sin Chai – one of the most remote mountainous area in Sapa, you will marvel at the beautiful sceneries and landscape of mountain. Stop and have lunch at Nam Ket and continue the trekking adventure to Ta Thang village where Tay ethnic people are living. Once you arrive at Ta Thang, you will be welcomed by a driver who will drive you back to Lao Cai station. You catch a train to back to Hanoi. The tour ends.