Rocky Mountain National Park (RMNP), with its majestic landscapes and diverse ecosystems, offers one of the most stunning displays of fall colors in the United States. Each year, nature puts on a vibrant show as the aspen leaves transform into brilliant shades of gold, orange, and red, contrasting beautifully with the evergreen trees and rugged mountain peaks. To truly appreciate this natural spectacle, it's essential to visit at the right time. Here's a guide to help you plan your visit to see the fall colors in RMNP.