Sechu, a beautiful sub valley of the Pangi Valley, lies in Chamba District of Himachal Pradesh. It is about 17 km from Sach Village.
The valley lies at the confluence of the three rivers, Hillutwan Nallah, Chasak Nallah and Sechu Nallah. Hillutwan (7 km) and Chasak (4 km) are the important places near the valley. Hudan and Parmar are the other sub valleys of Pangi Valley located nearby.