The tallest mountain in the American Rockies is Mount Elbert, located in Colorado. Standing at an elevation of 4,401 meters (14,440 feet), it is the highest peak in the contiguous United States. Mount Elbert is a popular destination for hikers and climbers, offering various routes for different skill levels. Its majestic views of the surrounding landscape and proximity to the San Isabel National Forest make it an attractive spot for outdoor enthusiasts all year round.