From about 600 AD to 1300 AD, the ancestral Pueblo people occupied a wide swath of mixed terrain in southwestern Utah and southeastern Colorado. They were peaceful agrarians, raising corn, beans and squash on the fertile—but dry—land. Some of their villages were established on two mesas which now comprise most of Mesa Verde National Park.
The earliest Pueblans built their villages with local sandstone bricks using stone tools. By about 1300, they began to build their villages in the protected rock overhangs of the mesas—some housing as many as 150 individuals. Why they moved from brick structures to cliff dwellings is not known. By the end of the 1300s, the entire population of Pueblans had migrated south and are considered to be the ancestors of the Hopi and Zuni peoples.
Mesa Verde NP is dedicated to preserving the culture and artifacts of the ancestral Pueblans. Access to many sites is by distant view only, and access to cliff sites can be quite strenuous—but well worth the effort.