Asia combined by many large countries with great landscapes, high altitude and low temperate places, the tributary of the river make the mouth larger and the measurement is hard as that compiles many sub rivers. The measurement of most rivers listed are just approximations, still there are many discussion about the longest rivers. The sources of the Rivers in Asia are primarily from Icy Mountains, rainwater, and Streams. There are thousands of rivers merging into the ocean primarily from countries including India, China, and Russia in Asia. The Yangtze is the longest River in Asia with the length of 6,300 km, located completely in China and the Drainage area of about 1.8 million km2 and merging into the East China Sea.
The Ganges is the Primary River which merges in Ganges Delta at the Bay of Bengal, the Hooghly and Padma are the small rivers which join to the Ganges. Originates in Gangotri Glaciet and many cities have been located on its banks.
Length: 2,620 km
Outflow: Bay of Bengal
Countries: India, Bangladesh, Nepal, China
The Vilyuy River completely flows in Russia and merge to the ocean at Lena, it drains in 454,000 square km of area and discharge water of 1,480 cubic meters per second.
Length: 2,650 km
The Tsangpo River merges to Brahmaputra River, it originates in Chemayungdung Glacier in the Himalayas in Tibet, the both rivers discharge volume is 19,300 m3/s and drainage area of 1,730,000 square km.
Length: 2,948 km
Countries: India (58.0%), China (19.7%), Nepal (9.0%), Bangladesh (6.6%), Disputed India/China (4.2%), Bhutan (2.4%)
12. Lower Tunguska
The entire river flows in Russia with the total drainage area of 473,000 and 3,600 m3/s of water discharge at the Yenisei. The central Siberian Plateau originates the river and primary water source of Lower Tunguska.
Length: 2,989 km
Salween River flows majorly in China and Myanmar and a little part in Thailand and merges in the Andaman Sea. The drainage area is 324,000 square km and the discharge around 3,153 m3/s of water.
Length: 3,060 km
Outflow: Andaman Sea
Countries: China (52.4%), Myanmar (43.9%), Thailand (3.7%)
10. Syr Darya – Naryn
The Aral Sea is the mouth of Syr Darya – Naryn has a drainage area of 219,000 square km with 703 cubic meters per second discharge at the ocean.
Length: 3,078 km
Outflow: Aral Sea
Countries: Kazakhstan, Kyrgyzstan, Uzbekistan, Tajikistan
Indus river flow about 93% in Pakistan, originates in Tibet and Northern India, it flows through cities including Karachi, Peshawar, Rawalpindi, Gilgit, Jamshoro, Thatta, Attock, Mithankot.
Length: 3,180 km
Outflow: Arabian Sea
Countries: Pakistan (93%), India, China
8. Shatt al-Arab – Euphrates
Euphrates River merges to Shatt al-Arab River and it is the important river for the country Iraq, Turkey and Syria, and the both river discharge only 853 cubic meters of water every second with 884,000 km2 of drainage area.
Length: 3,596 km
Outflow: Persian Gulf
Countries: Iraq (60.5%), Turkey (24.8%), Syria (14.7%)
7th longest in Asia and 12th longest river in the world, it drains an area about 810,000 km2 and discharges of 16,000.
Length: 4,350 km
Outflow: South China Sea
Countries: China, Myanmar, Laos, Thailand, Cambodia, Vietnam
Baikal Mountains is the source of water and flowing through cities including Yakutsk, Irkutsk, Ust-Kut, Lensk, Kirensk, Olyokminsk, Pokrovsk. It is discharged around 16,870 m3/s of water and with the basin area of 2,500,000 km2.
Length: 4,400 km
Outflow: Laptev Sea
Argun River merges into Amur River, with the total drainage area of 1,855,000 km2 and discharge of 11,400 m3/s.
Length: 4,444 km
Outflow: Sea of Okhotsk
Countries: Russia, China, Mongolia
The Irtysh River merge to the Ob River and both flow in 4 countries, it discharge average of 12,800 m3/s of water and drainage area of 2,990,000 km2.
Length: 5,410 km
Outflow: Gulf of Ob
Countries: Russia, Kazakhstan, China, Mongolia
3. Yellow River
Yellow river is flowing completely in China and third longest in Asia, take birth at 4,800 meters in Bayan Har Mountains.
Length: 5,464 km
Outflow: Bohai Sea
Yensei, Angara, and Selenge are the rivers flowing in the same way with combined length of over 5,000 km, and drainage area of 2,580,000 km2.
Length: 5,539 km
Outflow: Kara Sea
Countries: Russia (97%), Mongolia (2.9%)
Also known as Chang Jiang or Yangzi is the longest river in Asia and third in the world, it discharges around 31,900 cubic meters of water per second, one of the biggest rivers by discharge volume.
Length: 6,300 km
Outflow: East China Sea