The Appalachian mountains are an old mountain chain.........................caused like 250 million years ago..........when North America and Africa met at Pangaea.............................................the Rockies of the West............are still growing.........

Appalachian National Scenic Trail (U.S. National Park Service)

https://www.nps.gov › appa

The A.T. is now open but Matt's Creek Trail and other local trails remain closed. ... The Appalachian Trail is a 2,180+ mile long public footpath that traverses the ...

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Appalachian Trail - Wikipedia

https://en.wikipedia.org › wiki › Appalachian_Trail

The Appalachian National Scenic Trail, generally known as the Appalachian Trail or simply the A.T., is a marked hiking trail in the Eastern United States ...