Wadi Maghareh (also spelled Maghara or Magharah), meaning "The Valley of Caves" in Arabic, is an Egyptian archaeological site in the southwestern Sinai Peninsula containing pharonic monuments and ancient turquoise mines from the Old, Middle, and New Kingdoms. The Ancient Egyptians knew the site as "the Terraces of Turquoise."
The site was rediscovered in 1809 by Ulrich Jasper Seetzen, and since then has seen several excavation teams, Richard Lepsius's excavation in 1845 being the first. Major C. K. McDonald's visits to the site, including residence at the site from 1854-1866 (and an effort to mine turquoise there) resulted in only surface finds (arrowheads and such) with no further excavation.; a British Ordnance Survey of the site was made in 1868-1869, a Harvard University expedition in 1932, and several Israeli excavations between 1967 and 1982, among others.
Monuments, buildings and inscriptions
Ancient Egyptian monuments, buildings and inscriptions span the period from the Third to Twenty-Ninth Dynasties (ca. 2700 BC-1100 BC), although most monuments date only to the Twelfth Dynasty. Two Third Dynasty rock tables of king Sanakht are found in the valley, as is one of Djoser and two virtually identical tablest of king Sekhemkhet. Tables of Snefru and Khufu from the Fourth Dynasty are also found there. The Fifth Dynasty king Sahure's funerary temble at Abusir depicts him dispatching a fleet to the Red Sea, probably to collect turquoise at Maghareh. and he raised a monument depicting himself "smiting the Mentju of all foreign lands" which was found at Maghareh as well. Fifth Dynasty rock tablets include those of King Nyuserre Ini accompanied by a libation vase and images of the gods Horus and Thoth, one of king Menkauhor Kaiu, and three of king Djedkare Isesi  see relief of Sekhemkhet
In addition to pharaonic monuments, an Old Kingdom settlement was founded on the summit of a hill in Wadi Igneh containing 125 rough stone structures containing wood ash and potsherds, some of which are of Nile Valley clay. 
- G. D. Mumford, "Wadi Maghara," in Kathryn A. Bard and Steven Blake Shubert, eds. Encyclopedia of the Archeology of Ancient Egypt(New York: Routledge, 1999), 875.
- Mumford, "Wadi Maghara," in Encyclopedia of the Archaeology of Ancient Egypt, 875; John D. Cooney, "Major Macdonald, a Victorian Romantic," The Journal of Egyptian Archaeology, Vol. 58, (Aug., 1972), p. 281.
- Mumford, "Wadi Maghara," in Encyclopedia of the Archaeology of Ancient Egypt, 875.
- Bard and Shubert, eds. Encyclopedia of the Archeology of Ancient Egypt, 876.
- A. Barrois, "The Mines of Sinai," The Harvard Theological Review, Vol. 25, No. 2 (Apr., 1932), p. 119.
- Mumford, "Wadi Maghara," in Encyclopedia of the Archaeology of Ancient Egypt, 875-876.
- Hall, The Ancient History of the Near East from Earliest Times to the Battle of Salamis, 3rd Ed., p. 131.
- Mumford, "Wadi Maghara," in Encyclopedia of the Archaeology of Ancient Egypt, 876.