you will be driven to Ban Lech village where the Red Zao ethnic people are living. This village is about 18km from your hotel. Leaving this village, you will continue trekking along a narrow valley for about 2 hours. Then, you reach the Ngoi Boi river. Along the way, you can not only enjoy the peace of nature but also the lovely landscapes of the riverbanks. You keep trekking uphill to Muong Bo village which is located at the center of Thanh Phu Commune. You will stop at the village, walk around to explore it and then, come to a local house to have lunch there. 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. This house will prepare dinner for the group as well.