Colorado's Four Major Land Regions

1. Rocky Mountains – North-south spine; highest peaks (Mt. Elbert 14,440 ft).
2. Western Slope – West of Rockies; plateaus, mesas, canyons; Aspen, Vail.
3. Front Range – Eastern foothills; major cities (Denver, Colorado Springs, Fort Collins).
4. Eastern Plains – High plains grasslands; agriculture, ranching.

These regions define Colorado's climate, economy, and recreation.