Aswan's Ancient Engineering Marvel — The Largest Obelisk Never Completed
Home / Travel Guide / Unfinished Obelisk
The Unfinished Obelisk in Aswan is one of Egypt's most revealing archaeological sites — a monumental testament to the ambition and engineering skill of the ancient Egyptians, and also to the limits of their technology. Lying in its original granite quarry, this massive obelisk would have been the largest ever erected, towering over 42 meters (137 feet) and weighing an estimated 1,168 tonnes. But cracks appeared in the stone during carving, and the project was abandoned after years of labor[reference:0][reference:1]. Today, it serves as an extraordinary open-air museum, offering visitors an unparalleled glimpse into the techniques and tools used by ancient Egyptian stone workers[reference:2].
41.75 m
Length if completed[reference:3]
1,168 tonnes
Estimated weight[reference:4]
c. 1490 BC
Commissioned by Hatshepsut[reference:5]
UNESCO
World Heritage since 1979[reference:6]
The Unfinished Obelisk is a pink granite monolith located in the northern region of the ancient stone quarries of Aswan[reference:7]. Aswan was the source of ancient Egypt's finest granite, used to make statues, embellish temples, pyramids, and obelisks[reference:8]. The obelisk was commissioned by Queen Hatshepsut (c. 1473–1458 BC), one of Egypt's most powerful female pharaohs, and was intended to be placed in the temple of Amun at Karnak, possibly to complement the Lateran Obelisk[reference:9][reference:10].
The project was abandoned when multiple fissures appeared in the granite during carving[reference:11]. The workers had already carved three sides of the shaft and were preparing to detach it from the bedrock when the fatal cracks were discovered[reference:12]. The obelisk remains in situ, still partly attached to the parent rock, as a lasting reminder of both the audacity of the pharaohs and the heartbreaking failures that sometimes accompanied their grandest ambitions[reference:13].
The Unfinished Obelisk is nearly one-third larger than any ancient Egyptian obelisk ever erected[reference:14]. Had it been completed, it would have measured approximately 41.75 meters (137 feet) in length and weighed an estimated 1,168 tonnes (1,150 tons)[reference:15][reference:16].
The Unfinished Obelisk offers unusual insights into ancient Egyptian stone-working techniques that are not visible in completed monuments[reference:20].
The project was abandoned after multiple cracks appeared in the granite, making the obelisk unsuitable for completion[reference:26][reference:27].
Upon entering the quarry and descending into the pit, visitors can see ancient pictographs of dolphins, ostriches, and flamingos thought to have been painted by workers at the quarry[reference:32].
The Unfinished Obelisk and the wider quarry were inscribed on the UNESCO World Heritage List in 1979 as part of the "Nubian Monuments from Abu Simbel to Philae"[reference:34][reference:35].
The Aswan quarries were the source of ancient Egypt's finest pink granite, used to make statues, sarcophagi, temple pillars, and obelisks[reference:50]. The quarry area extends about 6 kilometers, parallel to the Nile River[reference:51]. The pink granite from this area was one of the most important stones in building the pyramids and temples of ancient Egypt[reference:52]. The burial chamber of Pharaoh Khufu in the Great Pyramid of Giza was made of this granite, transported north by the Nile[reference:53].
The pink granite from Aswan was highly prized by the ancient Egyptians for its beauty and durability[reference:54]. It was used extensively by the pharaohs: Khafre used about 17,000 cubic meters of granite in his mortuary temple, valley temple, and the Temple of the Sphinx[reference:55]. Menkaure covered the lower part of his pyramid in Giza with pink granite stones from Aswan, requiring about 15,000 cubic meters[reference:56]. The total amount of pink granite excavated in Aswan in ancient times is estimated at about 100,000 cubic meters[reference:57].
Besides the unfinished obelisk, an unfinished, partly worked obelisk base was discovered in 2005 at the quarries of Aswan[reference:58][reference:59]. Also discovered were some rock carvings and remains that may correspond to the site where most of the famous obelisks were worked[reference:60]. These discoveries continue to shed light on the scale and organization of ancient Egyptian stone quarrying operations.