Which mountain range extends across the eastern United States, from Canada to Alabama?

The Appalachians

The Appalachian Mountains, one of the oldest mountain ranges in the world, offer stunning natural beauty with their rounded peaks and rich biodiversity. They play a significant role in the history of the United States, having served as a frontier for the early colonies and influencing migration routes and development. The Appalachian Trail, which runs along the range, offers one of the longest continuous hikes in the world, attracting adventurers from all walks of life.