- Also called:
- Appalachians
Appalachian Mountains
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What are the Appalachian Mountains?
The Appalachian Mountains are a vast highland system in North America, stretching approximately 2,000 miles from Newfoundland and Labrador in Canada to central Alabama in the United States. They serve as a natural boundary between the eastern Coastal Plain and the Interior Lowlands, significantly influencing the continent's settlement and development.
These mountains are among the oldest on Earth, shaped by geological upheavals and erosion over millions of years. The system is broadly divided into northern, central, and southern regions, featuring various ranges like the White Mountains in New Hampshire and the Great Smoky Mountains in North Carolina and Tennessee. The highest peak is Mount Mitchell in North Carolina, reaching 6,684 feet. The Great Appalachian Valley is a notable feature, and the region is also known for its extensive cave systems.
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Where are the Appalachian Mountains located?
The Appalachian Mountains are a vast highland system located in eastern North America. This mountain range stretches for approximately 2,000 miles (3,200 km), beginning in the Canadian province of Newfoundland and Labrador and extending south to central Alabama in the United States. They form a significant natural barrier, separating the eastern Coastal Plain from the Interior Lowlands of the continent. The range includes areas such as New England, the Blue Ridge Mountains, and the Appalachian Plateau, encompassing parts of eastern Canada and the eastern United States.
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How were the Appalachian Mountains formed?
The Appalachian Mountains were formed through a series of mountain-building events, or orogenies, primarily during the Permian Period, approximately 299 to 251 million years ago. The most significant of these was the Alleghenian orogeny, which resulted from the collision between the continental margin of North America and North Africa. This immense collision caused extensive folding and faulting, creating the distinct geological features of the Appalachian range. These ancient mountains have been shaped over millions of years by geological processes and erosion.
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Which states do the Appalachian Mountains pass through?
The Appalachian Mountains span a vast area of North America, extending from Newfoundland and Labrador in Canada to central Alabama in the United States.
The mountain system can be divided into three physiographic regions: northern, central, and southern Appalachia.
- Northern Appalachia includes ranges in Quebec, Newfoundland, Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and New York.
- Central Appalachia features mountains in New York, Pennsylvania, Maryland, and Ohio.
- Southern Appalachia encompasses ranges in West Virginia, Virginia, North Carolina, South Carolina, Georgia, Kentucky, Tennessee, and Alabama.
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What kinds of plants and animals live in the Appalachian Mountains?
The Appalachian Mountains host a diverse range of plant and animal life, largely influenced by their extensive forest cover and varied elevations.
Plant Life:
* Northern areas feature conifers like red spruce and balsam fir, along with northern hardwoods such as sugar maple, beech, birch, and oak.
* Southern areas are rich in deciduous forests with trees like hickory, poplar, walnut, and sycamore. Flowering shrubs such as rhododendron, azalea, and mountain laurel are also prominent.
* Unique plant communities, like heath balds, are found on southern summits.Animal Life:
* While large mammals like bison, elk, and wolves have largely disappeared, elk have returned to northern mountains, and moose are found in the northernmost regions.
* Common animals include black bears, white-tailed deer, wild boar, foxes, raccoons, and beavers.
* The region supports abundant birdlife, with around 200 varieties recorded in the Great Smoky Mountains alone.
* Mountain streams and lakes are home to various fish species, including trout, bass, and catfish.2 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
How have the Appalachian Mountains influenced human history and culture in North America?
The Appalachian Mountains have significantly influenced North American history and culture by acting as a natural barrier that shaped settlement patterns and fostered a distinctive regional culture. Early European expansion was hindered by the rugged terrain, with settlers, particularly Germans and Scotch-Irish, often following water gaps into the interior. This isolation contributed to the development of unique cultural traditions, including handicrafts, ballads, and folklore, especially in the southern highlands. The mountains' rich natural resources, such as timber and coal, also spurred major industries but brought challenges like environmental degradation and economic hardship in some areas.
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News •
Appalachian Mountains, great highland system of North America, the eastern counterpart of the Rocky Mountains. Extending for almost 2,000 miles (3,200 km) from the Canadian province of Newfoundland and Labrador to central Alabama in the United States, the Appalachian Mountains form a natural barrier between the eastern Coastal Plain and the vast Interior Lowlands of North America. As a result, they have played a vital role in the settlement and development of the entire continent. They combine a heritage of natural beauty and a distinctive regional culture with contemporary problems of economic deprivation and environmental deterioration.
Physical features
Physiography
The system may be divided into three large physiographic regions: northern, central, and southern Appalachia. These include such mountains as, in the northern area, the Shickshocks (French: Chic-Chocs) and the Notre Dame ranges in Quebec; the Long Range on the island of Newfoundland; the great monadnock (isolated hill of bedrock) of Mount Katahdin in Maine; the White Mountains of New Hampshire; and Vermont’s Green Mountains, which become the Berkshire Hills in Massachusetts, Connecticut, and eastern New York. New York’s Catskill Mountains are in central Appalachia, as are the beginnings of the Blue Ridge range in southern Pennsylvania and the Allegheny Mountains, which rise in southwestern New York and cover parts of western Pennsylvania, western Maryland, and eastern Ohio before merging into the third, or southern, region. This area includes the Alleghenies of West Virginia and Virginia; the Blue Ridge range, extending across Virginia and western North Carolina, the northwestern tip of South Carolina, and the northeastern corner of Georgia; the Unaka Mountains in southwestern Virginia, eastern Tennessee, and western North Carolina (of which the Great Smoky Mountains are a part); and the Cumberland Mountains of eastern Kentucky, southwestern West Virginia, southwestern Virginia, eastern Tennessee, and northern Alabama.
The highest elevations in the Appalachians are in the northern division, with Maine’s Mount Katahdin (5,268 feet [1,606 metres]), New Hampshire’s Mount Washington (6,288 feet), and other pinnacles in the White Mountains rising above 5,000 feet (1,525 metres), and in the southern region, where peaks of the North Carolina Black Mountains and the Tennessee–North Carolina Great Smoky Mountains rise above 6,000 feet (1,825 metres) and the entire system reaches its highest summit, on Mount Mitchell (6,684 feet [2,037 metres]).
A distinctive feature of the system is the Great Appalachian Valley. It includes the St. Lawrence River valley in Canada and the Kittatinny, Cumberland, Shenandoah, and Tennessee valleys in the United States; the latter is the site of the world-famous Tennessee Valley Authority (TVA), a government agency for natural resource conservation, power production, and regional development.
In the area known geologically as “New” Appalachia, especially where there are softer limestone rocks that yield to the constant solution by water and weak acids, numerous caves are a distinctive feature of the physiography. The chief caverns lie within or border the Great Valley region of Pennsylvania, Maryland, West Virginia, Virginia, and Tennessee. Caverns of the Shenandoah Valley in Virginia provide well-known and dramatic examples of underground passages, rooms, watercourses, formations, and other cave features that honeycomb much of the land below central and southern Appalachia.