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

    Dec 11, 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). …

  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. 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…

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

    3 days ago · 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 …

  6. 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 …

  7. 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 …

  8. Mountain - Tectonics, Creation, Destruction | Britannica

    Dec 11, 2025 · Mountain - Tectonics, Creation, Destruction: Mountains and mountain belts exist because tectonic processes have created and maintained high elevations in the face of …

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

    5 days ago · Rocky Mountains, mountain range forming the cordilleran backbone of the great upland system that dominates the western North American continent.

  10. 7 (or 8) Summits: The World’s Highest Mountains by Continent

    Climbing each continent’s highest mountain is a major mountaineering achievement. Read this list to learn more about the peaks known as the Seven Summits, including Mount Everest, …