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What is the height of a mountain peek above sea level is called what?
Of course all of Denver is not flat, so the elevation varies from place to place within the city, but the official elevation is 5280 feet. That is why Denver is known as 'the …mile-high city'.
Table Mountain is 3,567 ft high (1,087 meters). The Highest point is McClears Beacon
it is Elevation
Elevation is the height above sea level! :)
Amsterdam Schiphol Airport is −4 m meters below sea level (−13 ft).
It is 13000 feet above sea level.
I presume you ask about the minimum height when a hill is considered a mountain. In the UK it's 2000 feet.
The height above or below sea level is "elevation". Altitude is used only for distance above sea level.