Largest lakes & reservoirs in Portugal by water volume
The estimated volume of water that a lake contains is measured at the lake’s normal elevation. By this measure, the world’s largest freshwater lake is Siberia’s Lake Baikal.Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet. 1 acre-foot is equal to 325,851 US gallons. Siberia’s Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater – nearly 1 million gallons for every living person on earth.
The other – and more widely used – measure of a lake’s size is the lake’s surface acreage. By that measure, the world’s largest freshwater lake is North America’s Lake Superior.
Note: In the United States, an acre foot is a unit of volume used to refer to large-scale bodies of water. It is defined by the volume of water needed to cover 1 acre of surface area to a depth of 1 foot.
You can find many of the the world’s largest lakes (by water volume) on LakeLubbers. Note: For some lakes, the water volume data is unknown or does not apply, so you may see fewer lakes than the total 1 articles we have published for Portugal lakes.
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Below are lakes within Portugal > Compared by water volume. This list does not represent all lakes in Portugal, only the 1 Portugal lake articles we have published on the LakeLubbers website.
Lake name | Water vol. in ac-ft | Lake description |
---|---|---|
Grande Lago (Portugal) |
3,364,460 ac-ft | (Also known as Alqueva Lake, Alqueva Dam) Grande Lago, Portugal is Europe’s largest artificial lake. Created in 2002 to provide electricity and irrigation to Portugal’s Alentejo Region, Grande … |