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
Article
11 sectionsContents
- Names
- Geography
- Human use
- History
- Pollution
- Tributaries
- Cities
- Bridges
- See also
- References
- External links
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.
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.