It is the one with the largest dimension in open spaces, it has a building of great proportions, both in extension and height, and could be considered as a Palace. It also has an altar and two access stairways.

This Plaza must have been of daily use among the population.

Main stairway: Located at the southern end, it has two alfardas and a height of just under three meters; it must have been used by the population to enter the sacred precinct.