Mountain

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This editable Main Article is under development and subject to a disclaimer.

[edit intro]

(CC) Photo: Keith Halstead
The mountains of the Lauterbrunnen Valley, Switzerland.

A mountain is an elevated area of a planet or moon, rapidly rising to high altitude. Earth's highest mountain is Mount Everest; the highest in the solar system is Olympus Mons on Mars.

## See also[edit]

* Alps