GEOGRAPHY THROUGH MAPS

Ob River

The Ob forms where the Biya and Katun meet in the Altai region and flows across western Siberia into the Gulf of Ob. Its basin combines mountain headwaters with an immense lowland drainage network.

Fast Facts

  • The general course is northward to the Gulf of Ob and Kara Sea.
  • The Irtysh is a major left-bank tributary, facing downstream.
  • The Irtysh reaches the Ob after flowing from China through Kazakhstan into Russia.
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Geographical connections

Part of Visualize CSE, an interactive geography atlas for UPSC Civil Services (IAS) preparation.