To the France directory of our LexiLine files at
I have uploaded the file
showing that this gigantic menhir (ca. 9 and 1/2 meters) tall
ca. west of Mont St. Michel marks the upper end of Serpens Cauda and
also marks the stars of Ophiuchus around Cebalrai as the head of the
Serpent Bearer. The row of Serpens Cauda marked the Autumn Equinox
point below this row and thus was seen as important by the ancients.