Ob

Also known as River Ob, Ob River, Obi, River Obi, R. Ob, R. Obi, Obi River, Ob R.

The Ob (; ) is a major river in Russia. It is in western Siberia, and with its tributary the Irtysh forms the world's seventh-longest river system, at . The Ob forms at the confluence of the Biya and Katun which have their origins in the Altai Mountains. It is the westernmost of the three great Siberian rivers that flow into the Arctic Ocean (the other two being the Yenisei and the Lena). Its flow is north-westward, then northward.

AI overview

The Ob is a major river in western Siberia that forms one of the world's seventh-longest river systems when combined with its tributary, the Irtysh. It matters as one of three great Siberian rivers flowing into the Arctic Ocean and serves as an important geographical feature of Russia's landscape.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

River.name: Ob
River.image: March evening. The sun fell across the Ob river.jpg
River.image_caption: The Ob in Novosibirsk
River.map: Ob river basin map.png
River.map_caption: Map of the Ob River watershed
River.mapframe: yes
River.mapframe zoom: 3
River.subdivision_type1: Country
River.subdivision_name1: Russia
River.subdivision_type3: Region
River.subdivision_name3: Altai Krai, Novosibirsk Oblast, Tomsk Oblast, Khanty-Mansi Autonomous Okrug, Yamalia
River.subdivision_type5: Cities
River.subdivision_name5: Biysk, Barnaul, Novosibirsk, Nizhnevartovsk, Surgut
River.discharge1_location: Salekhard (Basin size: )
River.discharge1_avg: (Period of data: 1971–2015) (Period of data: 1930–1984) (Period of data: 1999–2008)
River.source1: Katun
River.source1_location: Belukha Mountain, Altai Republic
River.source2: Biya

via Wikipedia infobox

Wikidata facts

Image: Ob u Barnaulu.jpg
Length: 3650

Show 4 more facts

Commons category: Ob River
watershed area: 2990000
discharge: 12492
native label: Обь

Sources (2)

via Wikidata · CC0

~10 min read

Article

11 sections

Contents

Names
Geography
Human use
History
Pollution
Tributaries
Cities
Bridges
See also
References
External links

The main city on its banks is Novosibirsk, the largest city in Siberia, and the third-largest city in Russia. It is where the Trans-Siberian Railway crosses the river.