Symphony of Horizon
Comprehensive hydrological system tracking global river networks, basin catchment boundaries, Strahler stream orders, and seasonal discharge metrics with integrated glacier-runoff mapping.
Rank | Name | Country | Total Length (km) | Main Length (km) | Order | Basin Area (km²) | Actions |
|---|---|---|---|---|---|---|---|
| #1 | Amazon River | Brazil, Bolivia, Colombia, Ecuador, Peru, Venezuela | 2,002,041.289 km | 5,979.855 km | 10 | 5,637,753.678 km² | |
| #2 | Congo | Angola, Burundi, Cameroon, Central African Rep., Congo, Dem. Rep. Congo, Gabon, Malawi, Rwanda, S. Sudan, Sudan, Tanzania, Uganda, Zambia | 871,852.221 km | 4,959.64 km | 9 | 3,592,755.459 km² | |
| #3 | Missouri River | Canada, United States of America | 768,746.08 km | 6,033.06 km | 9 | 3,093,929.14 km² | |
| #4 | Nile | Bir Tawil, Burundi, Central African Rep., Dem. Rep. Congo, Egypt, Eritrea, Ethiopia, Kenya, Rwanda, S. Sudan, Sudan, Tanzania, Uganda | 666,728.95 km | 6,839.17 km | 8 | 2,843,566.63 km² | |
| #5 | Paraguay River | Argentina, Bolivia, Brazil, Paraguay | 618,949.58 km | 3,855.17 km | 9 | 2,524,666.4 km² | |
| #6 | Irtysh | China, Kazakhstan, Mongolia, Russia | 586,996.6 km | 5,519.08 km | 9 | 2,399,295.08 km² | |
| #7 | Angara River | Mongolia, Russia | 573,433.55 km | 5,299.61 km | 9 | 2,414,965.77 km² | |
| #8 | Lena River | Russia | 548,007.85 km | 5,122.57 km | 9 | 2,384,838.8 km² | |
| #9 | Chang Jiang | China | 504,144.22 km | 5,920.23 km | 9 | 1,844,979.27 km² | |
| #10 | Amur | China, Mongolia, North Korea, Russia | 466,954.99 km | 4,900.19 km | 9 | 1,947,804.33 km² | |
| #11 | Ganges-Bhramaputra-Meghna System | Bangladesh, Bhutan, China, India, Myanmar, Nepal | 463,891.25 km | 3,352.65 km | 9 | 1,512,137.29 km² | |
| #12 | Niger River | Algeria, Benin, Burkina Faso, Cameroon, Côte d'Ivoire, Chad, Guinea, Mali, Mauritania, Niger, Nigeria | 457,414.56 km | 4,249.61 km | 8 | 2,041,171.65 km² | |
| #13 | Peace River | Canada | 421,237.21 km | 4,346.4 km | 9 | 1,747,054.72 km² | |
| #14 | Río Guaviare | Colombia | 339,811.93 km | 2,934.23 km | 9 | 888,962.18 km² | |
| #15 | Volga | Kazakhstan, Russia | 320,444.71 km | 3,850.35 km | 9 | 1,364,925.45 km² | |
| #16 | Zambezi | Angola, Botswana, Dem. Rep. Congo, Malawi, Mozambique, Namibia, Tanzania, Zambia, Zimbabwe | 308,521.4 km | 3,148.09 km | 8 | 1,344,154.97 km² | |
| #17 | Saint Lawrence River | Canada, United States of America | 268,088.93 km | 3,009.46 km | 8 | 1,020,387.52 km² | |
| #18 | Assiniboine River | Canada, United States of America | 246,865.34 km | 3,106.99 km | 9 | 980,358.27 km² | |
| #19 | Unnamed River | Greenland | 246,119.85 km | 1,213.14 km | 7 | 208,469.24 km² | |
| #20 | Mekong River | Cambodia, China, Laos, Myanmar, Thailand, Vietnam | 221,047.77 km | 4,838.99 km | 8 | 745,683.42 km² | |
| #21 | Vaal River | Botswana, Lesotho, Namibia, South Africa | 216,026.14 km | 2,539.75 km | 9 | 864,290.73 km² | |
| #22 | Yarkand River | Afghanistan, China, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan | 211,241.39 km | 2,399.04 km | 8 | 752,243.68 km² | |
| #23 | Araguaia River | Brazil | 206,446.96 km | 2,530.42 km | 9 | 744,795.49 km² | |
| #24 | Indus | Afghanistan, China, India, Pakistan, Siachen Glacier | 205,777.29 km | 3,347.99 km | 8 | 830,242.34 km² |
