Alps | Map, Mountaineering, & Facts | Britannica

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• Introduction
• Physical features
  • Geology
  • Physiography
  • Climate
  • Plant and animal life
  • Human impact on the Alpine environment
• The people
  • Settlement
  • Languages
• The economy
  • Agriculture
  • Mining and manufacturing
  • Tourism
  • Transportation
• Study and exploration

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External Websites

• World Wide Fund For Nature - The European Alps

Britannica Websites Articles from Britannica Encyclopedias for elementary and high school students.

• Alps, The - Children's Encyclopedia (Ages 8-11)
• Alps - Student Encyclopedia (Ages 11 and up)

Quick Summary Ask the Chatbot a Question Written by Aubrey Diem Professor of Geography, University of Waterloo, Ontario. Author of Switzerland: Land, People, Economy and others. Aubrey DiemAll Fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated Jan. 2, 2026 •History Table of Contents Table of Contents Quick Summary Ask the Chatbot a Question Top Questions

• What are the Alps?
• Where are the Alps located in Europe?
• Which countries do the Alps pass through?
• What kinds of animals and plants can be found in the Alps?
• How do the Alps affect the climate and weather in Europe?
• How have the Alps influenced human activities, such as tourism and transportation?

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How one Swiss hospital coped with the injured from the Alpine bar fire • Jan. 2, 2026, 12:35 PM ET (AP) Show less

Alps, a small segment of a discontinuous mountain chain that stretches from the Atlas Mountains of North Africa across southern Europe and Asia to beyond the Himalayas. The Alps extend north from the subtropical Mediterranean coast near Nice, France, to Lake Geneva before trending east-northeast to Vienna (at the Vienna Woods). There they touch the Danube River and meld with the adjacent plain. The Alps form part of France, Italy, Switzerland, Germany, Austria, Slovenia, Croatia, Bosnia and Herzegovina, Montenegro, Serbia, and Albania. Only Switzerland and Austria can be considered true Alpine countries, however. Some 750 miles (1,200 kilometres) long and more than 125 miles wide at their broadest point between Garmisch-Partenkirchen, Germany, and Verona, Italy, the Alps cover more than 80,000 square miles (207,000 square kilometres). They are the most prominent of western Europe’s physiographic regions.

Though they are not as high and extensive as other mountain systems uplifted during the Paleogene and Neogene periods (i.e., about 65 million to 2.6 million years ago)—such as the Himalayas and the Andes and Rocky mountains—they are responsible for major geographic phenomena. The Alpine crests isolate one European region from another and are the source of many of Europe’s major rivers, such as the Rhône, Rhine, Po, and numerous tributaries of the Danube. Thus, waters from the Alps ultimately reach the North, Mediterranean, Adriatic, and Black seas. Because of their arclike shape, the Alps separate the marine west-coast climates of Europe from the Mediterranean areas of France, Italy, and the Balkan region. Moreover, they create their own unique climate based on both the local differences in elevation and relief and the location of the mountains in relation to the frontal systems that cross Europe from west to east. Apart from tropical conditions, most of the other climates found on the Earth may be identified somewhere in the Alps, and contrasts are sharp.

A distinctive Alpine pastoral economy that evolved through the centuries has been modified since the 19th century by industry based on indigenous raw materials, such as the industries in the Mur and Mürz valleys of southern Austria that used iron ore from deposits near Eisenerz. Hydroelectric power development at the end of the 19th and beginning of the 20th centuries, often involving many different watersheds, led to the establishment in the lower valleys of electricity-dependent industries, manufacturing such products as aluminum, chemicals, and specialty steels. Tourism, which began in the 19th century in a modest way, became, after World War II, a mass phenomenon. Thus, the Alps are a summer and winter playground for millions of European urban dwellers and annually attract tourists from around the world. Because of this enormous human impact on a fragile physical and ecological environment, the Alps are likely the most threatened mountain system in the world.