The world’s longest above-water mountain range is the Andes, about 7,000 kilometers (4,300 miles) long.
The highest mountain on Earth is Mount Everest in the Himalayas of Asia, whose summit is 8,848 meters (29,029 feet) above mean sea level.
The Rocky Mountain range is the second longest mountain range in the world. It stretches from Canada to Mexico.
K2, also known as Mount Godwin Austen or Chhogori is the second highest mountain in the world, at 8,611 meters (28,251 feet) above sea level.
More than half of the world’s fresh water originates in mountains, and all the world's major rivers are fed from mountain sources.
Denali is the tallest and world's 3rd land-based mountain on Earth—with a vertical rise of about 5,500 meters (18,000 feet).
The highest known mountain on any planet in the Solar System is Olympus Mons on Mars at 21,171 meters (69,459 feet).
The longest mountain range is around 65,000 kilometers (40,400 miles) long—and 90 percent is under the ocean, called the Mid-Ocean Ridge.
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