Bayi is located in the middle reaches of the
Yarlung Tsangpo River. Both steep cliffs and flat valleys exist in the area. The average altitude is 3000 metres above sea level. "The lowest places are just around 1,000 metres above sea level." There are many scenic places in or near Bayi. The Seche La Mountain Scenic Spot, in the east of Nyingchi County, is a part of the
Nyainqentanglha Mountain Range, the watershed of the
Nyang River and the
Parlung Tsangpo. The
Sichuan-Tibetan Highway passes by. Standing at the mountain pass at 4,728 meters above sea level, one can admire the sunrise,
sea of clouds, endless forest and the grand
Namjagbarwa Peak. Güncang township and Pelung Township by the
Sichuan-Tibet Highway are home to the
Moinba ethnic group. ==Administrative divisions==