Sahagun says “it was ascended by steps very narrow and straight.”
Anonimo (Tlaltelolco ?)—120–130 steps on one side only.
Ixtlilxochitl—160 steps.
Bernal Díaz (Tlaltelolco ?)—114 steps.
Cortés—over 100 steps.
Torquemada—113 steps on the West side only.
Motolinia—over 100 steps on the West side.
Duran—120 steps on the West side.
Torquemada says that the steps were each one foot high, and Duran describes the difficulty of raising the image and litter of the God from the ground to the platform on the top of the Teocalli owing to the steepness of the steps and the narrowness of the tread.