The Gate of the Essenes was outside of the palace wall of Herod, and marked the northwest corner of the upper city of Jerusalem.
Josephus mentions two landmarks associated with the section of defense wall running from the Hippicus tower - one of the two monumental towers that were inserted into the line of the defense wall - southward: ‘Bethso’ (
beth tso’a ‘house of excrement’?) and the Gate of the Essenes.
The city of Jerusalem was fortified with three walls, on such parts as were not encompassed with unpassable valleys; for in such places it had but one wall. The city was built upon two hills, which are opposite to one another, and have a valley to divide them asunder; at which valley the corresponding rows of houses on both hills end. Of these hills, that which contains the upper city is much higher, and in length more direct. …] Now, of these three walls, the old one was hard to be taken, both by reason of the valleys, and of that hill on which it was built, and which was above them. But besides that great advantage, as to the place where they were situated, it was also built very strong; because David and Solomon, and the following kings, were very zealous about this work. Now that wall began on the north, at the tower called “Hippicus,” and extended as far as the “Xistus,” a place so called, and then, joining to the council-house, ended at the west cloister of the temple. But if we go the other way westward, it began at the same place, and extended through a place called “Bethso,” to the gate of the Essens; and after that it went southward, having its bending above the fountain Siloam, where it also bends again towards the east at Solomon’s pool, and reaches as far as a certain place which they called “Ophlas,” where it was joined to the eastern cloister of the temple. The second wall took its beginning from that gate which they called “Gennath,” which belonged to the first wall; it only encompassed the northern quarter of the city, and reached as far as the tower Antonia. The beginning of the third wall was at the tower Hippicus, whence it reached as far as the north quarter of the city, and the tower Psephinus, and then was so far extended till it came over against the monuments of Helena, which Helena was queen of Adiabene, the daughter of Izates; it then extended further to a great length, and passed by the sepulchral caverns of the kings, and bent again at the tower of the corner, at the monument which is called the “Monument of the Fuller,” and joined to the old wall at the valley called the “Valley of Cedron.”
To this day we don’t know exactly where the Gate of the Essenes was located.
Some think that it was located at the southeast end of the First Wall on the lower slope of the traditional Mount Zion, at a point where it led into the Kidron Valley and toward the Judaean Desert, and indeed, a gate was found at this spot on two separate occasions during the late 19th century and the 1960s. Judging by its construction style, the gate seems to date from the Byzantine period (mid-5th century at the earliest) or later, though potsherds discovered in a small probe beneath the fills of the adjacent paving are found to date from the 1st century. (Others contest this date, however, since the potsherds could equally likely be residuals in a consolidation fill poured beneath the Byzantine paving.) Others are more circumspect, suggesting that the gate is somewhere west of the city, not far from the Hippicus, but without providing any exact location.
Recently, some people have begun to propose that a monumental gateway found in the 1970s along the western Old City wall in the 280-meter stretch between the southern moat of the Citadel and the present-day southwest angle of the Old City was the gate. This complex was built somewhere in the latter part of the 1st century BC (probably during the time of Herod the Great), with the remains of a large courtyard situated between two inner and outer fortification walls, each with respective gates. On the northern side of the courtyard was a rocky outcrop and on top of it was a small rectangular built platform with steps: the southern side seems to have been originally paved, albeit the paving stones are now gone (probably taken away during the Byzantine period). A few folks (like Shimon Gibson and James Tabor) even opine that this gateway, in addition to being Josephus’ Gate of the Essenes, was the
Gabbatha of John’s gospel.
Below is a map showing the gate excavated by Frederick Bliss and Archibald Dickie in 1894-7 (marked as ‘Gate of the Essenes?’), with the one found by Magen Broshi and Shimon Gibson in the 1970s added by me (marked as ‘Gabbatha / Gate of Judgment’).
http://img3.imageshack.us/img3/5438/mapif.jpg