MEGALITHIC MONUMENTS
       OF IRELAND.COM
KILTERNAN PORTAL TOMB
KILTERNAN DEMESNE PORTAL TOMB, COUNTY DUBLIN
M M I
PHOTO by Pip POWELL
2007
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This portal tomb is also referred to as 'The Sphinx' portal tomb because of its
similarity in shape to the Sphinx in Egypt and is located in the town land of Kiltiernan,
'Chill Tiarnain'. It is sited on a small ledge, close to one of the head waters of the
Loughlinstown river on a gentle west facing slope and is marked on the OSI map as
'Dolmen' and on the historic map as 'Cromlech'. Two Rock Mountain and Three Rock
Mountain are located to the west and the Great Sugar Loaf Mountain further to the
south west.  The huge elongated capstone measures 6.5m in length, 5.3m in width and
is 1.55m in depth. The two portal stones at the entrance measure 1.4m and 1.25m in
height, and the tomb, unusual like Brenanstown Portal Tomb further east, is orientated
in a westerly direction. Between the portal stones is a small door stone, blocking
entrance to the chamber. The chamber was excavated by Marcus O' hEochaidhe, who
found a chert arrowhead, three hollow scrapers and a round ended scraper. Three
rimshards of course pottery were also found and these may have represented grave
goods to accompany the burial. The tomb was first recorded in a great painting by
Gabriel Beranger in September 1776 and also appeared in an engraving by George
Petrie in an introduction to a volume of his drawings called "Excursions through
Ireland" in 1820.
CO-ORDINATES
53 14’ 19.122”N…6 12’ 25.739”W