Chondon

The Chondon is a river in Ust-Yansky District, Sakha Republic, Russia. It is long, with a drainage basin of.
The Chondon mammoth was discovered in 2013 in the Chondon basin, at the feet of the Polousny Range, 66 km south-west of the village of Tumat. It had died at the age of 47 to 50 years.

Course

The river begins in the northern slopes of the Selennyakh Range at an elevation of. It flows roughly northwards west of the Yana River across the Yana-Indigirka Lowland meandering strongly among marshy areas and lakes. In its lower course it flows parallel to the Sellyakh in the east. Yarok Island lies across its mouth, in the Chondon Bay, by the Yana Bay of the Laptev Sea.
There are over 6,600 lakes in the Chondon basin, with a total area of. The river freezes yearly between early October and early June.

Tributaries

The main tributaries of the Chondon are the long Buor-Yuryakh, with its source in the Kyundyulyun, from the left, as well as the long Ygaanna, the long Dodomo and the long Nuchcha from the right.

Fauna

Among the fish species found in the river, muksun, nelma, omul and vendace deserve mention.