Mirninsky District in the context of Administrative divisions of the Sakha Republic

The Alakit (Russian: Алакит) is a river in Yakutia (Sakha Republic), Russia. It is a tributary of the Olenyok with a length of 232 kilometres (144 mi) and a drainage basin area of 11,800 square kilometres (4,600 sq mi).

The river flows across a desolate area of Mirninsky and Olenyoksky districts. Currently there are no settlements, but a small village named Alakit was located by the river in its upper course, a little upstream of the mouth of the Yuyose-Delingde, a left tributary.

Olenyoksky District (Russian: Оленёкский улу́с; Yakut: Өлөөн улууһа, Ölöön uluuha, [øløːn uluːha]), or Olenyoksky-Evenki National District, is an administrative and municipal district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is located in the west of the republic and borders with Anabarsky District in the north, Bulunsky and Zhigansky Districts in the east, Vilyuysky, Verkhnevilyuysky, and Nyurbinsky Districts in the southeast, Mirninsky District in the south and southwest, and with Evenkiysky District Krasnoyarsk Krai in the west and northwest. The area of the district is 318,000 square kilometers (123,000 sq mi). Its administrative center is the rural locality (a selo) of Olenyok. Population: 4,127 (2010 census); 4,091 (2002 Census); 3,993 (1989 Soviet census). The population of Olenyok accounts for 55.1% of the district's total population. With a population density of 0.013 people per square kilometer, Olenyoksky District is one of the most sparsely populated places in the world.