Below Murghab the river is called the '' ' Murghab River ' '' ( , meaning '' Bird River '' , also spelled as '' Murghob '' , '' Murgob '' , or '' Murgab '' ( from ) ) . A few miles below Murghab is Sarez Lake , formed by a landslide during the 1911 Sarez earthquake , which created the world 's highest natural dam , Usoi Dam . The river is joined by the Ghudara river just below Sarez Lake . From the junction the river is known as the '' ' Bartang ' '' . The Bartang traces a route down the western Pamir Mountains , flowing before becoming a tributary to the Panj River at the border of Tajikistan and Afghanistan . Much of the river lies within the boundaries of Tajik National Park . The Bartang is fed mostly by glacier and snow melt . It is the only river to cross Gorno-Badakhshan from east to west . The Bartang enters the Panj River just upstream from the town of Rushon
1911 Sarez earthquake
1911 Sarez earthquake
Bartang River