Ob’
Watershed statistics
- Country: Russia
- Large-scale drainage area: Russian Arctic (Arctic)
- Drainage: 2,972,497 km2
- Population density: 9 people/km2
- Large cities: 39
- Cropland: 36%
- Developed: 5%
- Forest loss: 39%
- Large dams: 5
Reference: Revenga, C., S. Murray, J. Abramovitz, and A. Hammond, 1998. Watersheds of the World: Ecological Value and Vulnerability. Washington, DC: World Resources Institute.

Ob’ River watershed © Greg Fiske, WHRC