Superlative · height vs volume
The World's Highest Waterfalls Are Not Its Biggest
11 places · every one real, mapped, and worth the trip
Ask which waterfall is the greatest and you get an argument, because two different measurements are quietly being mixed. Height is a drop: how far the water falls in one go. Volume is a flow rate: how much water goes over the lip each second. They are close to unrelated, and the falls that dominate one list barely register on the other.
The reason is simple hydrology. Very tall falls need a cliff, and cliffs that high tend to sit on small headwater streams — so the water is often a thin ribbon that breaks into mist on the way down. Very high-volume falls need a major river, and major rivers have already cut their beds down to gentle gradients, so the drop is short. Below, each of these falls is placed against what it genuinely holds the record for.
-
Angel Falls Height — 979 m
Canaima National Park, Venezuela
The highest waterfall on Earth by a wide margin, pouring off the rim of a tabletop mountain. It is also the clearest illustration of the trade-off: the flow is modest, and much of the water is broken into drifting mist long before it reaches the base.
-
Krimml Waterfalls Height — 380 m in three tiers
High Tauern National Park, Salzburg, Austria
Austria's giant, and one of Europe's tallest, taking its drop in three separate stages rather than a single leap — which is why total-height rankings and single-drop rankings disagree so often.
-
Lauterbrunnen Valley Height — Staubbach ~300 m
Bernese Oberland, Switzerland
Staubbach falls roughly 300 metres in one free leap, and so little water comes over that wind routinely blows the whole thing into vapour before it lands. Its name translates as 'dust stream'.
-
Vøringsfossen Height — ~180 m, ~145 m free
Eidfjord, Vestland, Western Norway
Norway's most famous fall combines a genuinely tall single free drop with enough volume to be loud, which is a rarer combination than it sounds.
-
Victoria Falls Volume — the largest sheet of falling water
Zambezi River, Zimbabwe / Zambia border
Only 108 metres high, but roughly 1,708 metres wide, and in full flood it sends the entire Zambezi over that edge at once. By the combined measure of width and depth of curtain, nothing else on Earth matches it.
-
Iguazú Falls Volume — 275 falls across 2.7 km
Paraná, Brazil / Misiones, Argentina border
Drops of only around 80 metres, but split across hundreds of separate cataracts on a horseshoe nearly three kilometres wide. Iguazú wins on spectacle and breadth, never on height.
-
Niagara Falls Volume — among the highest flow anywhere
Ontario, Canada / New York, United States
About 50 metres, which is unremarkable, but it carries the outflow of four of the five Great Lakes. Even with the flow treaty-regulated and much of it diverted to power stations, it remains one of the highest-volume falls on the planet.
-
Kaieteur Falls Both — 226 m at 663 m³/s
Kaieteur National Park, Potaro-Siparuni, central Guyana
The clearest exception to the rule this page is about. Kaieteur drops 226 metres in a single clear fall — around four and a half times Niagara — while carrying an average of 663 cubic metres a second, which is a real river rather than a headwater stream. Very few falls anywhere hold both ends of the argument at once.
-
Si Phan Don & the Khone Falls Width — 10,783 m, the widest on Earth
Khong District, Champasak Province, southern Laos
A third axis nobody thinks to ask about. The Khone Falls are not tall — 21 metres at the highest drop — but the Mekong has spread into thousands of channels by the time it gets there, and measured from the outer edge of one channel to the other the falls are 10.8 kilometres across. Width is why the Mekong has never been navigable to China.
-
Nahanni & Virginia Falls Both, and almost nobody sees it
Northwest Territories, Canada
Ninety-six metres — nearly twice Niagara's drop — carrying a serious northern river through kilometre-deep canyons, with no road to it at all. Remoteness, not scale, is why it is not famous.
-
Ouzoud Falls Height — the tallest in North Africa
Tanaghmeilt, near Azilal, Middle Atlas, Morocco
About 110 metres in three tiers through a red gorge, and a useful reminder that regional records are often the more meaningful ones.
A note on completeness, because it matters here: this page is not a global top-ten by height. Several of the world's tallest falls — Tugela in South Africa, Tres Hermanas and Yumbilla in Peru, Olo'upena in Hawaii, Vinnufossen in Norway — are not yet covered in this atlas, and we would rather say so than publish a ranking with holes in it. Even the top of that list is contested: Angel Falls and Tugela are measured differently by different surveys.
Added