Moma River

Moma River (Russian: Мома) is a river in Yakutia in Russia, a right tributary of the Indigirka River.

The length of the river is 406 kilometres (252 mi), the area of its drainage basin is 30,200 square kilometres (11,700 sq mi). It originates from the lake Sisyktyah on the northern slope of the Ulakhan Chistay Range (the Chersky Range). The river flows in a wide intermountain valley in the territory of Momsky district. It flows into the Indigirka in 1,086 kilometres (675 mi) from its mouth. There is black coal deposit in the river basin. The district centre – the village of Khonuu – is located at the mouth of the river.

Etymology

The name comes from the Evenki language, “мома” means "wood, timber, tree". This is the name for the rivers with steep, easy to wash banks that crumble together with trees growing on them, cluttering the river bed.

Hydrology

Rain, snow and ice feed the river. It freezes in October, the ice breaks up in late May – early June. In the middle and lower courses the river bed abounds rocky rapids, icing is typical. The average annual water consumption – 377 kilometres (234 mi) from the mouth – is 11.02 cubic metres per second (389 cu ft/s). The river is not navigable.

Coordinates: 66°26′10″N 143°10′55″E / 66.43611°N 143.18194°E