What is most striking is the size of the Grand Gallery; not only does the length from the north wall to the south wall correspond to 47.84m, but also its height, measured along the axis of the gravitational force, is 8.60m.
However, if we consider a section perpendicular to the slope the height is 7.70m.
The floor consists of a large central groove exactly two cubits (105cm) wide, flanked by two platforms, both a cubit (52.5cm) high and just as wide.
The floor of the groove is perfectly aligned with the Ascending Corridor, along which the three granite blocks obstructing the lower entrance to the pyramid were slid down.
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