Overview
Which river has the largest drainage basin in Asia?. The river with the largest drainage basin in Asia is Ob–Irtysh which receives inflows from a basin area of 2,990,000 square kilometers in Russia, Kazakhstan, China and Mongolia and flows out primarily to the Gulf of Ob. At second and third, are Yenisei–Angara–Selenge–Ider with a drainage basin of 2,580,000 km2 and outflows to Kara Sea, and Lena that receives inflows from a basin area of 2,490,000 km2.
( A drainage area is any area of land where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water. )
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Here are Asia's largest rivers by drainage areas.
Ob–Irtysh is the largest river by drainage area in Asia at 2,990,000 km2.
Ob–Irtysh is a river that stretches 5,410 kilometers (or 3,362 miles) in length, draining from a 2,990,000 km2 basin in Russia, Kazakhstan, China and Mongolia.
Ob–Irtysh discharges at 12,475 m3/3 and flows out into Gulf of Ob.
Yenisei–Angara–Selenge–Ider is the 2nd longest river in Asia at 5,539 kilometers (3,442 miles).
Yenisei–Angara–Selenge–Ider is a river that is 5,539 kilometers (or 3,442 miles) long and drains from a 2,580,000 km2 drainage basin in Russia (97% of river) and Mongolia (2.9%).
The average volume of water flow is 18,050 m3/3 and the river flows out into Kara Sea.
Compare Yenisei–Angara–Selenge–Ider with Kapuas from Asia.
Compare Yenisei–Angara–Selenge–Ider with Upper Ob–Katun from Asia.
Lena.
Lena is the 3rd largest river by drainage area in Asia at 2,490,000 km2.
Lena is a river that is 4,400 kilometers (or 2,734 miles) long and drains from a 2,490,000 km2 drainage basin in Russia.
Lena discharges at 15,500 m3/3 and flows out into Laptev Sea.
Compare Lena with Liao from Asia.
Compare Lena with Amur–Argun–Kherlen (Heilong Jiang) from Asia.
Amur–Argun–Kherlen (Heilong Jiang).
Amur–Argun–Kherlen (Heilong Jiang) is the 3rd longest river in Russia at 4,444 kilometers (2,761 miles).
Amur–Argun–Kherlen (Heilong Jiang) is a river that stretches 4,444 kilometers (or 2,761 miles) in length, draining from a 1,855,000 km2 basin in Russia, China and Mongolia.
Amur–Argun–Kherlen (Heilong Jiang) discharges at 11,400 m3/3 and flows out into Sea of Okhotsk.
Compare Amur–Argun–Kherlen (Heilong Jiang) with Chenab from Asia.
Compare Amur–Argun–Kherlen (Heilong Jiang) with Yamuna from Asia.
Yangtze–Jinsha–Tongtian–Ulan Moron.
Yangtze–Jinsha–Tongtian–Ulan Moron is the 3rd longest river in the world at 6,418 kilometers (3,988 miles).
Yangtze–Jinsha–Tongtian–Ulan Moron is a river that is 6,418 kilometers (or 3,988 miles) long and drains from a 1,800,000 km2 drainage basin in China.
Its average discharge rate is 30,166 m3/3 and the river flows out into East China Sea.
Compare Yangtze–Jinsha–Tongtian–Ulan Moron with Northern Dvina–Sukhona from Asia.
Compare Yangtze–Jinsha–Tongtian–Ulan Moron with Narmada from Asia.
Indus–Sênggê Zangbo is the 2nd largest river by drainage area in China at 960,000 km2.
Indus–Sênggê Zangbo is a 3,610-km long (2,243 miles) river that drains from a 960,000-km2 wide basin in Pakistan (93% of the river), India and China.
Its average discharge rate is 7,160 m3/3 and the river flows out into Arabian Sea.
More on the longest and largest river systems in the world:
World: Longest | Largest by Discharge Volume | Largest by Drainage Area
By Country: Australia | Brazil | Canada | China | France | Russia | UK | USA
Europe: Longest | Largest by Discharge Volume | Largest by Drainage Area
Asia: Longest | Largest by Discharge Volume | Largest by Drainage Area
Africa: Longest | Largest by Discharge Volume | Largest by Drainage Area
Oceania: Longest | Largest by Discharge Volume | Largest by Drainage Area
North America: Longest | Largest by Discharge Volume | Largest by Drainage Area
South America: Longest | Largest by Discharge Volume | Largest by Drainage Area
Outflows: Amazon River | Atlantic Ocean | Black Sea | Mississippi River | Pacific Ocean