The Pyramid of the
Sun sits to the east of the Avenue of the Dead. The Pyramid is 738 feet (220
meters) at its base and 210 foot (65 meters) in height. It has five tiers, with
a single stairway up it's front. The pyramid has a total of 248 steps to the
summit. It is estimated that there is three million cubic tons of adobe and
rubble on which it is built with. It is the third largest pyramid in the world
next to the pyramid at Cholula, Mexico and Cheops in Egypt. (Bahn, 1999) &
(Arnold, 1994)