Greatest Waterfalls

The flow of many waterfalls varies according to the season, and some have been reduced by building dams to harness their power for hydro-electric plants.

The flow of the Boyoma waterfall is equivalent to 17m. litres (36m. gall) a second –enough to fill more than 140,000 baths per second, or enough for every person on Earth to have two baths a day!

1 Boyoma (Stanley), Democratic Republic of Congo –17,000 m³/sec

2 Khone,Laos* –11,330 m³/sec

3 Niagra (Horseshoe), Canada –5,830 m³/sec

4 Grande, Uruguay –4,500 m³/sec

5 Paulo Afonso, Brazil –2,800 m³/sec

*Widest waterfall based on volume of water at 10.8 km

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