Sangti Valley is located in Eastern Himalayan Foothills, West Kameng district of Arunachal Pradesh. Sangti River flows along with the valley. Sangti river meets with Dirang River at Dirang Dzong village, which is located near the Dirang town.
Sangti Valley is known for its picturesque scenery and weather. Sangti village is located onsite of valley and about 15 kilometres from Dirang. The valley is also a tourist destination for trekkers.
The village connected through Bomdilla - Tawang highway. There is a road which connects Dirang Dzong village to Sangti Village which is about 10 km long.
The valley is breeding centre for endangered specie of Black-necked crane (thing thung karmu). The bird is considered holy in Monpa communities resides in valley.