Amga River (Russian: Амга) is a river in Sakha (Yakutia), Russia. It is the biggest tributary of the Aldan River, which it joins a few miles west of Khandyga. The length of the river is 1,462 kilometres (908 mi). The area of its basin is 69,300 square kilometres (26,800 sq mi). The Amga River freezes up in the first half of October and stays under the ice until May.
Coordinates: 62°37′41″N 134°55′11″E / 62.628087638°N 134.919662476°E / 62.628087638; 134.919662476