The Pyramids of Khufu, Khafre, Menkaure, and the Great Sphinx at Giza


Pyramid of Khafre (Photo: Dr. Amy Calvert)


By Dr. Amy Calvert / 08.08.2015
Egyptologist
Founder, The Art of Counting


The Great Pyramids of Giza

One of the Seven Wonders of the ancient world

The last remaining of the Seven Wonders of the ancient world, the great pyramids of Giza are perhaps the most famous and discussed structures in history. These massive monuments were unsurpassed in height for thousands of years after their construction and continue to amaze and enthrall us with their overwhelming mass and seemingly impossible perfection. Their exacting orientation and mind-boggling construction has elicited many theories about their origins, including unsupported suggestions that they had extra-terrestrial impetus. However, by examining the several hundred years prior to their emergence on the Giza plateau, it becomes clear that these incredible structures were the result of many experiments, some more successful than others, and represent an apogee in the development of the royal mortuary complex.

Three pyramids, three rulers

View up the causeway from Khafre’s valley temple towards his pyramid (Photo: Dr. Amy Calvert)

 

The three primary pyramids on the Giza plateau were built over the span of three generations by the rulers Khufu, Khafre, and Menkaure. Each pyramid was part of a royal mortuary complex that also included a temple at its base and a long stone causeway (some nearly 1 kilometer in length) leading east from the plateau to a valley temple on the edge of the floodplain.

Other (smaller) pyramids, and small tombs

Giza Pyramid Complex

In addition to these major structures, several smaller pyramids belonging to queens are arranged as satellites. A major cemetery of smaller tombs, known as mastabas (Arabic for ‘bench’ in reference to their shape—flat-roofed, rectangular, with sloping sides), fills the area to the east and west of the pyramid of Khufu and were constructed in a grid-like pattern for prominent members of the court. Being buried near the pharaoh was a great honor and helped ensure a prized place in the afterlife.

A reference to the sun

The shape of the pyramid was a solar reference, perhaps intended as a solidified version of the rays of the sun. Texts talk about the sun’s rays as a ramp the pharaoh mounts to climb to the sky—the earliest pyramids, such as the Step Pyramid of Djoser at Saqqara—were actually designed as a staircase. The pyramid was also clearly connected to the sacred ben-ben stone, an icon of the primeval mound that was considered the place of initial creation. The pyramid was considered a place of regeneration for the deceased ruler.

Construction

View up the side of Khufu’s pyramid showing scale of the core blocks (Photo: Dr. Amy Calvert)

Many questions remain about the construction of these massive monuments, and theories abound as to the actual methods used. The workforce needed to build these structures is also still much discussed. Discovery of a town for workers to the south of the plateau has offered some answers. It is likely that there was a permanent group of skilled craftsmen and builders who were supplemented by seasonal crews of approximately 2,000 conscripted peasants. These crews were divided into gangs of 200 men, with each group further divided into teams of 20. Experiments indicate that these groups of 20 men could haul the 2.5 ton blocks from quarry to pyramid in about 20 minutes, their path eased by a lubricated surface of wet silt. An estimated 340 stones could be moved daily from quarry to construction site, particularly when one considers that many of the blocks (such as those in the upper courses) were considerably smaller.

Pyramid of Khufu

Pyramid of Khufu, c. 2551-2528 B.C.E. (photo: Dr. Amy Calvert)

Size

The Great Pyramid, the largest of the three, was built by the pharaoh Khufu and rises to a height of 146 meters (481 feet) with a base length of more than 230 meters (750 feet) per side. The greatest difference in length among the four sides is a mere 4.4 cm (1 ¾ inches) and the base is level within 2.1 cm (less than an inch), an astonishing engineering accomplishment.

Construction: inner core stones, and outer casing stones

Detail of core blocks of Khufu’s pyramid, c. 2551-2528 B.C.E. (photo: Dr. Amy Calvert)

The pyramid contains an estimated 2,300,000 blocks, some of which are upwards of 50 tons. Like the pyramids built by his predecessor Snefru and those that followed on the Giza plateau, Khufu’s pyramid is constructed of inner, roughly hewn, locally quarried core stones, which is all we see today, and angled, outer casing blocks laid in even horizontal courses with spaces filled with gypsum plaster.

The fine outer casing stones, which have long since been removed, were laid with great precision. These blocks of white Tura limestone would have given the pyramid a smooth surface and been quite bright and reflective. At the very top of the pyramid would have sat a capstone, known as a pyramidion, that may have been gilt. This dazzling point, shining in the intense sunlight, would have been visible for a great distance.

Interior

Entrance, Pyramid of Khufu, c. 2551-2528 B.C.E. (Photo: Olaf Tausch)

The interior chambers and passageways of Khufu’s pyramid are unique and include a number of enigmatic features. There is an unfinished subterranean chamber whose function is mysterious as well as a number of so-called ‘air shafts’ that radiate out from the upper chambers.

These have recently been explored using small robots, but a series of blocking stones have obscured the passages. When entering the pyramid, one has to crawl up a cramped ascending chamber that opens suddenly into a stunning Grand Gallery. This corbelled passage soars to a height of 8.74 m (26 feet) and leads up to the King’s Chamber, which is constructed entirely from red granite brought from the southern quarries at Aswan.

Diagram of the interior of the Pyramid of Khufu

Above the King’s Chamber are five stress-relieving chambers of massive granite blocks topped with immense cantilevered blocks forming a pent roof to distribute the weight of the mountain of masonry above it. The king’s sarcophagus, also carved from red granite, sits empty at the exact central axis of the pyramid. This burial chamber was sealed with a series of massive granite blocks and the entrance to the shaft filled with limestone in an effort to obscure the opening.

Boats for the afterlife

Khufu’s mortuary complex also included seven large boat pits.  Five of these are located to the east of the pyramid and were a sort of model; these brick-lined boat shaped elements were probably intended for use in the afterlife to transport the king to stellar destinations. Boat burials and models of this type had a long history in royal mortuary contexts—a fleet of 14 such pits, containing actual boats averaging 18-19 meters (60 feet) in length encased inside, were discovered at a Dynasty 1 mortuary enclosure in Abydos, the cemetery of Egypt’s earliest kings. Often, however, as with Khufu, the pits were simply boat shaped models rather than containing actual boats.

Reconstructed funerary boat of Khufu (Photo: Dr. Amy Calvert)

In addition to these model boat pits, however, on the south side of the pyramid Khufu had two massive,  rectangular stone lined pits that contained completely disassembled boats. One of these has been removed and reconstructed in a special museum on the south side of the pyramid. This cedar boat measures 43.3 meters (142 feet) in length and was constructed of 1,224 separate pieces stitched together with ropes. These boats appear to have been used for the funerary procession and as ritual objects connected to the last earthly voyage of the king, and were then dismantled and interred.

Pyramid of Khafre and the Great Sphix

Pyramid of Khafre, c. 2520-2494 (photo: Dr. Amy Calvert)

Size and appearance

The second great pyramid of Giza, that was built by Khufu’s second son Khafre, has a section of outer casing that still survives at the very top (and which would have entirely covered all three of the great pyramids at Giza). Although this monument appears larger than that of his father, it is actually slightly smaller but was constructed 10 m (33 feet) higher on the plateau.

Interior

The interior is much simpler than that of Khufu’s pyramid, with a single burial chamber, one small subsidiary chamber, and two passageways. The mortuary temple at the pyramid base was more complex than that of Khufu and was filled with statuary of the king–over 52 life-size or larger images originally filled the structure.

Valley temple

Pillars in Valley Temple of Khafre (photo: Dr. Amy Calvert)

Khafre’s valley temple, located at the east end of the causeway leading from the pyramid base, is beautifully preserved. It was constructed of megalithic blocks sheathed with granite and floors of polished white calcite. Statue bases indicate that an additional 24 images of the pharaoh were originally located in this temple.

The Great Sphinx

The Great Sphinx (photo: Dr. Amy Calvert)

Right next to the causeway leading from Khafre’s valley temple to the mortuary temple sits the first truly colossal sculpture in Egyptian history: the Great Sphinx. This close association indicates that this massive depiction of a recumbent lion with the head of a king was carved for Khafre.

Khafre, Egyptian Museum, Cairo

The Sphinx is carved from the bedrock of the Giza plateau, and it appears that the core blocks used to construct the king’s valley temple were quarried from the layers of stone that run along the upper sides of this massive image.

Khafre

The lion was a royal symbol as well as being connected with the sun as a symbol of the horizon; the fusion of this powerful animal with the head of the pharaoh was an icon that survived and was often used throughout Egyptian history. The king’s head is on a smaller scale than the body. This appears to have been due to a defect in the stone; a weakness recognized by the sculptors who compensated by elongating the body.

Directly in front of the Sphinx is a separate temple dedicated to the worship of its cult, but very little is known about it since there are no Old Kingdom texts that refer to the Sphinx or its temple. The temple is similar to Khafre’s mortuary temple and has granite pillars forming a colonnade around a central courtyard.  However, it is unique in that it has two sanctuaries—one on the east and one on the west—likely connected to the rising and setting sun.

Pyramid of Menkaure

Pyramid of Menkaure (Photo: Dr. Amy Calvert)

The third of the major pyramids at Giza belongs to Mekaure. This is the smallest of the three, rising to a height of 65 meters (213 feet), but the complex preserved some of the most stunning examples of sculpture to survive from all of Egyptian history.

Pyramid of Menkaure, chamber with niches

Mekaure’s pyramid chambers are more complex than those of Khafre and include a chamber carved with decorative panels and another chamber with six large niches. The burial chamber is lined with massive granite blocks.

His black stone sarcophagus, also carved with niched panels, was discovered inside, but was lost at sea as it was being transported to England.

King Menkaure (Mycerinus) and queen, 2490-2472 B.C.E., Greywacke, overall: 142.2 x 57.1 x 55.2 cm, 676.8 kg / 56 x 22 1/2 x 21 3/4 inches, 1492.1 pounds (Museum of Fine Arts, Boston)

 

Within Menkaure’s mortuary and valley temples, neither of which were completed before his death, excavation revealed a series of statues of the king.

The stunning diad of the king with his primary queen, Khamerernebty II (now in the Museum of Fine Arts, Boston), as well as a number of triads showing the king being embraced by various deities, were discovered in the valley temple and were originally set up surrounding the open court.

This temple was still an active place of cult late in the Old Kingdom and was almost entirely rebuilt at the end of the 6th dynasty after it was heavily damaged by a flood.


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