The Nadym is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in Yamalo-Nenets Autonomous Okrug

Yamalo-Nenets Autonomous Okrug

Yamalo-Nenets Autonomous Okrug , is a federal subject of Russia . Its administrative center is the town of Salekhard. Population: -Geography and natural history:...

, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. It is a left tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the Ob River

Ob River

The Ob River , also Obi, is a major river in western Siberia, Russia and is the world's seventh longest river. It is the westernmost of the three great Siberian rivers that flow into the Arctic Ocean .The Gulf of Ob is the world's longest estuary.-Names:The Ob is known to the Khanty people as the...

. The length of the Nadym River is 545 kilometres (338.6 mi). The area of its basin

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 is 64000 square kilometres (24,710.5 sq mi). The river originates in Lake Numto and flows into the Kara Sea

Kara Sea

The Kara Sea is part of the Arctic Ocean north of Siberia. It is separated from the Barents Sea to the west by the Kara Strait and Novaya Zemlya, and the Laptev Sea to the east by the Severnaya Zemlya....

. It freezes up in October and stays under the ice until late May. The Levaya Khetta River is one of the biggest tributaries of the Nadym River. The town of Nadym

Nadym

Nadym is a town in Yamalo-Nenets Autonomous Okrug, Russia, situated on the Nadym River. It serves as the administrative center of Nadymsky District, although it is not administratively a part of it. Population: It is served by the Nadym Airport....

is located on the Nadym River.