Kyuyonelekeen

The Kyuyonelekeen, also spelled as Kyuyonelekyan and Kyuenelekyan, is a river in Yakutia and Krasnoyarsk Krai, Russia. It is the third longest tributary of the Arga-Sala, of the Olenyok basin, and has a length of and a drainage basin area of.
The river and its tributaries flow across uninhabited areas. The nearest settlement is Olenyok village, Olenyoksky District, located to the east of its mouth.

Course

The Kyuyonelekeen is a left tributary of the Arga-Sala. Its sources are in the southern end of the Anabar Plateau, Central Siberian Plateau, south of the basin of the Bolshaya Kuonamka, part of the Anabar basin. The river flows roughly southwards across mountainous taiga, to the west of the Kengeede. In mid course it turns eastwards and, after a stretch, southeastwards. Finally it joins the left bank of the Arga-Sala river from its mouth in the Olenyok.
The river is frozen between the first half of October and late May or early June.

Tributaries

Its main tributaries are the long Usumuun, the long Monkhoolo and the long Ebeseleekh from the left, as well as the long Iseek and the long Ulakhan-Byorchyok from the right.