Mount Ningadhun (1,373 metres) is a mountain east of Narrabri
in northern New South Wales
. It is part of the Nandewar Range and has been preserved within the Mount Kaputar National Park
.Mount Ningadhun is a prominent volcanic plug and part of the remnants of the Nandewar extinct volcano that ceased activity about 17 million years ago after 4 million years of activity.