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  1. Mountain | Definition, Characteristics, Types, & Facts | Britannica

    Dec 26, 2025 · Mountain, landform that rises prominently above its surroundings, exhibiting steep slopes, a confined summit area, and considerable local relief.

  2. Physical features and formation of mountains | Britannica

    mountain, Landform that rises well above its surroundings, generally exhibiting steep slopes, a relatively confined summit area, and considerable local relief (inequalities of elevation). Mountains are …

  3. Mountain Definition & Meaning | Britannica Dictionary

    MOUNTAIN meaning: 1 : an area of land that rises very high above the land around it and that is higher than a hill; 2 : a very large amount of something

  4. Mount Everest | Height, Map, Deaths, Facts, & Climbers | Britannica

    Dec 23, 2025 · Mount Everest, mountain on the crest of the Great Himalayas of southern Asia that lies on the border between Nepal and the Tibet Autonomous Region of China. Reaching an elevation of …

  5. Mountain ecosystem | Ecology, Flora & Fauna | Britannica

    Mountain ecosystem, complex of living organisms in mountainous areas. Mountain lands provide a scattered but diverse array of habitats in which a large range of plants and animals can be found.

  6. mountain - Kids | Britannica Kids | Homework Help

    A mountain is a landform that rises high above its surroundings. Taller than a hill, it usually has steep slopes and a rounded or sharp peak. Mountains are rarely found…

  7. Mountain - Tectonics, Creation, Destruction | Britannica

    Dec 26, 2025 · Mountain - Tectonics, Creation, Destruction: Mountains and mountain belts exist because tectonic processes have created and maintained high elevations in the face of erosion, …

  8. Sandia Mountains | New Mexico, Height, Map, & Facts | Britannica

    Sandia Mountains, mountain range in central New Mexico, U.S., northeast of Albuquerque and east of the Rio Grande. Located largely within a part of the Cibola National Forest, the range extends …

  9. Rocky Mountains | Location, Map, History, & Facts | Britannica

    Dec 21, 2025 · Rocky Mountains, mountain range forming the cordilleran backbone of the great upland system that dominates the western North American continent.

  10. mountain - Students | Britannica Kids | Homework Help

    A mountain is a landform that rises prominently above its surroundings. It is generally distinguished by steep slopes, a relatively small summit, and considerable height.