|Fountain of the Virgin|
|Eruption height||636 m|
Gihon Spring (Hebrew: מעיין הגיחון) in Arabic نبع ام الدرج or Fountain of the Virgin, also known as Saint Mary's Pool, is a spring in the Kidron Valley. It was the main source of water for the Pool of Siloam in Jebus and the later City of David, the original site of Jerusalem.
One of the world's major intermittent springs – and a reliable water source that made human settlement possible in ancient Jerusalem – the spring was not only used for drinking water, but also initially for irrigation of gardens in the adjacent Kidron Valley, which provided a food source for the ancient settlement.
The spring rises in a cave 20 feet by 7, and is located 586 yards (535 m) northwards of the Pool of Siloam. Being intermittent, it required the excavation of the Pool of Siloam, which stored the large amount of water needed for the town when the spring was not flowing. Before the sinking of the water table due to overpumping in modern times, the spring used to flow three to five times daily in winter, twice daily in summer, and only once daily in autumn. This peculiarity is accounted for by the supposition that the outlet from the reservoir is by a passage in the form of a siphon. It has the largest output of water in the area - 600,000 cubic meters of water a year (compared to 125,000 cubic meters for the Lifta spring in West Jerusalem.
Three main water systems allowed water to be brought from the spring under cover, including natural, masonry-built, and rock-cut structures:
- The Middle Bronze Age Siloam Channel – a fairly straight channel dating from the Middle Bronze Age, cut 20 feet into the ground, and then covered with slabs (which themselves were then hidden by foliage). This led from the spring to the oldest, or Upper Pool of Siloam, and can be defined as an aqueduct.
- The Bronze Age Warren's Shaft system – a system of tunnels, dating from slightly later than the Middle Bronze Age channel, leading from the Well Gate at the top of Ophel above Gihon, down to the spring. This passage was for people to collect water from the spring. The actual, natural vertical "Warren's Shaft", paid no role in the water system.
- The Iron Age Siloam Tunnel – a winding tunnel carved into the rock, leading from the spring to the Pool of Siloam. Dating from the time of Hezekiah or earlier, it was an aqueduct that effectively replaced the Middle Bronze Age channel. The Siloam inscription was found carved into its wall.
In the mid-19th century, James Turner Barclay attempted to explore a subterranean passageway leading from the "Virgin's Fount" (Gihon Spring) and which channel led, in his view, "to a point within a short distance from the Mugrabin Gate, where it turned abruptly to the west," and where he could proceed no further because of it being blocked by stones and by fallen debris. According to his hypothesis, the channel was made "to discharge surplus water into the Ophel channel, in order that it might be reservoired in the Pool of Siloam." In 1997, while a visitor centre was being constructed, the spring was discovered to have been heavily fortified at dates then thought to be Middle Bronze Age, when archaeologists unexpectedly uncovered two monumental towers, one protecting the base of Warren's Shaft, and the other protecting the spring itself.
During an archaeological dig in 2009, a fragment of a monumental stone inscription securely dated to the 8th century BCE was discovered. Although only fragments of Hebrew lettering survive, the fragment proves that the city had monumental public inscriptions and the corresponding large public buildings in the eighth century.
A 2017 study by the Weizmann Institute of Science has redated the constructions, reporting that “Scenarios for the construction of the tower during Middle Bronze Age (MB) and Iron Age II are considered, based on the new 14C data, yielding a series of dates, the latest of which falls in the terminal phases of the 9th century BCE, alongside previous excavation data.” Israel Finkelstein has suggested that the tower could still be Bronze Age but restored in the Iron Age adding that “In any event, a late 9th century date should come as no surprise, as there are other indications for the growth of the city at that time – from the Temple Mount (in my opinion the original location of the mound of Jerusalem) to the south, in the direction of the Gihon spring”.
- Berrett, Lamar C. (April 1996). Discovering the World of the Bible. ISBN 9780910523523.
- A.H. Sayce, "The Inscription at the Pool of Siloam," Palestine Exploration Fund Quarterly Statement 13.2 (April 1881): (editio princeps), p. 72
- Easton's Bible Dictionary 1897
- Planned Western Wall train will threaten historic Jerusalem spring, report says, Haaretz
- "Archaeology and the struggle for Jerusalem". bbc.co.uk. BBC News. 2010-02-05.
- Nir Hasson, "Settler organization granted control over spring in East Jerusalem", Haaretz, 12 June 2012
- Jerusalem at the Time of Jesus. November 2011. ISBN 9781426720154.
- Gihon Spring and the Siloam Pool
- Barclay, J.T. (1857). City of the Great King (or, Jerusalem as it Was, as it Is, and as it To Be). Philadelphia: James Challen and Sons. pp. 309, 458. OCLC 1152738303. (reprint: OCLC 980280533)
- Dr. Carl Rasmussen. "Holy Land Photos". holylandphotos.org.
- "A Fragment of a Hebrew Inscription from the Period of the Kings of Judah was Found (photo)". Israel Antiquities Authority. Archived from the original on 2010-10-27.
- "Israel Antiquities Authority". antiquities.org.il.
- Regev, Johanna; Uziel, Joe; Szanton, Nahshon; Boaretto, Elisabetta (6 June 2017). "Absolute Dating of the Gihon Spring Fortifications, Jerusalem". Radiocarbon. 59 (4): 1171–1193. doi:10.1017/RDC.2017.37.
- Borschel-Dan, Amanda (19 June 2017). "Carbon dating undermines biblical narrative for ancient Jerusalem tower". The Times of Israel. Retrieved 26 June 2017.
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