Amu Darya
The Surxondaryo or Surkhandarya (, "Surkhandarya") is a primary right tributary of the Amu Darya in Uzbekistan. It is formed at the confluence of the rivers Karatag and Toʻpolondaryo near the city Denov. It flows into the Amu Darya in the city Termez. The river is long (287 km including its source river Karatag) and has a basin area of .