2. Western Slope: This region lies west of the Rocky Mountains and is characterized by high elevations, mountain ranges, and valleys. It includes the Colorado Plateau, which is home to several national parks and monuments, such as Mesa Verde National Park and Black Canyon of the Gunnison National Park.
3. Eastern Plains: This region lies east of the Rocky Mountains and is characterized by flat, rolling terrain and high plains. It is home to the state's capital, Denver, as well as several other major cities, such as Colorado Springs and Pueblo.
4. San Luis Valley: This region is located in the south-central part of Colorado and is a high mountain valley surrounded by the Sangre de Cristo Mountains to the east and the San Juan Mountains to the west. It is known for its agriculture, ranching, and natural beauty.