Avoiding the known route to the polar plateau via the Beardmore Glacier , Amundsen led his party of five due south , reaching the Transantarctic Mountains on 16 November .
After nine months ' preparation , Amundsen 's polar journey began on 20 October 1911 .
Avoiding the known route to the polar plateau via the Beardmore Glacier , Amundsen led Amundsen 's party of five due south , reaching the Transantarctic Mountains on 16 November .
After nine months ' preparation , Amundsen 's polar journey began on 20 October 1911 .