The famous mountain range running along the border between the United States and Canada is the Rocky Mountains, commonly referred to as the Rockies. This extensive range stretches over 3,000 miles, starting in northern British Columbia, Canada, and extending southward into New Mexico, USA. The Rockies encompass diverse ecosystems, offering breathtaking natural beauty, rugged terrain, and a variety of outdoor activities such as hiking, skiing, and wildlife watching. Renowned national parks like Banff and Rocky Mountain National Park protect significant portions of this mountain range, showcasing its stunning landscapes and rich biodiversity, making it a popular destination for nature enthusiasts.