plan of the passage and chamber of Newgrange
stone passage, chamber and corbelled roof of Newgrange, and
the kerb of 97 stones, were constructed without the use of
total length of the passage and chamber together is 24m (79ft),
which means they only occupy one third the diameter of the
the passage, there are 22 orthostats or standing stones on
the left (Western) side and 21 on the right (east). They have
an average height of 1.5m, with the tallest stones nearer
total of 17 roof slabs can be seen covering the passage.
large slab which can be seen pinned to the wall outside the
passage mouth may have originally been used by the builders
to block the passage when construction of the cairn was complete.
are three separate chambers, or recesses, off the central
chamber. The eastern chamber is the most impressively decorated,
although all three contain decoration.
corbelled chamber ceiling
corbelled roof of the chamber is one of the finest of its
kind in Europe, and when Newgrange was excavated it was found
to be standing intact without any repair work exactly as it
had done when first built.
one time, there was what was described as a "pyramidal-shaped"
stone in the centre of the chamber. Some time after it was
recorded by Thomas Molyneaux, it disappeared and has not been
of the orthostats (standing stones) in the chamber are used
to support the corbelled roof. Some have leaned inwards over
time due to the weight of the cairn material pressing down
on the chamber.
tomb builders filled the gaps between the roof stones in the
passage with sea sand and burned soil to keep the passage