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Cage Hill
Cage
Hill
is a
conical hill
in
Sussex County, New Jersey
. The
summit
rises
to, overlooking the
confluence
of
Lubbers Run
and the
Musconetcong River
to
the south
, and
Jefferson Lake
to
the north
. It is part of the
New York–New Jersey Highlands
of the
Appalachian Mountains
.