Mountain

A mountain is a landform that extends above the surrounding terrain in a limited area. A mountain is generally much higher and steeper than a hill, but there is considerable overlap, and usage often depends on local custom. Some authorities define a mountain as a peak with a topographic prominence over an arbitrary value: for example, the Encyclop?dia Britannica requires a prominence of 2,000 feet (610 m).

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24% of the Earth is mountainous; 10% of the world's 6 billion people live in mountainous regions. All the world's major rivers are fed from mountain sources, and more than half of humanity depends on mountains for water http://www.animana.org/tab2/22troubleattop.shtml.

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Landform: A landform comprises a geomorphological unit. Landforms are categorised by characteristics such as elevation, slope, orientation, stratification, rock exposure, and soil type. Landforms by name include berms, mounds, hills, cliffs, valleys, and so forth. Oceans and continents exemplify highest-orde...

Terrain: Terrain, or land relief, is the third or vertical dimension of land surface. When relief is described underwater, the term bathymetry is used. Topography has recently become an additional synonym, though in many parts of the world it retains its original more general meaning of description of place....

Hill: For the landform that extends less than 600 metres above the surrounding terrain and that is smaller than a mountain, see the mountain article. Many hills are taller than most skyscrapers but are generally small....

Mountain related Images and Photos (experimental)

Mountain Lake	Mountain Mist	Mountain Stream	Mountain Ranger
Mountain Stream	Mountain Laurel	Mountain Stream	Mountain Gorilla (DVD)
Mountain 02 (Detail)	Mountain Grandeur	Mountain Landscape	Mountain Landscape