Mount Defiance may refer to:
;In Australia
;In the United States
See also
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Defiance Mountain
Defiance Mountain is a 2,669-meter-elevation (8,756-foot) summit in the northernmost Pacific Ranges of the Coast Mountains of British Columbia, Canada. It is located to the south of the Bella Coola River between the communities of Firvale and Hag ...
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Mount Defiant
{{Mountain index