Siang Valley Trekking Expedition is another famous Arunachal Pradesh trekking circuit, which takes trekkers Along the Tsangpo River in (Tibet) known as Siang in Pashighat district of Arunachal Pradesh. This River later joins the Brahmaputra River in the state of Assam. The Saing Valley trek covers some exciting locations which were never explored before such as Adi (Minyong, Pasi, Padam) tribe of Arunachal Pradesh. These are the major destinations covered during the Siang Valley Trek. The trek starts from Delhi/Kolkata - Dibrugarh - Yembung - Sessen - Ponging - Maryiang - Milang - Peaka Modi - Adi Pasi – Pashighat.