The mountain range that stretches across the western U.S. is the Rocky Mountains. Extending from Canada down to New Mexico, the Rockies are one of the largest mountain ranges in North America. Known for their stunning peaks, diverse ecosystems, and outdoor recreational opportunities, the Rockies attract millions of visitors each year. Activities like hiking, skiing, and wildlife viewing are popular in this region. The Rocky Mountains also serve as a significant watershed, affecting the climate and water resources in surrounding areas.