The Great Appalachian Valley is a significant geographical feature in the eastern United States, stretching from the southern part of the state of New York to northern Alabama. This valley is bordered by the Appalachian Mountains to the east and the Allegheny Plateau to the west. It includes several important valleys, such as the Shenandoah Valley and the Tennessee Valley, which are known for their fertile land and rich biodiversity. The valley plays a crucial role in the region's agriculture and transportation. Its fertile soil supports various crops, while rivers like the James River and the Tennessee River provide vital waterways for trade and travel. The Great Appalachian Valley is also home to numerous towns and cities, contributing to the cultural and economic landscape of the Appalachian region.