Kabru , at 7,349 m ( 24,111 ft ) , was far higher than any other mountain climbed at the time .
Kabru 's ascent was and remains the most controversial aspect of Graham 's expedition .
Kabru , at 7,349 m ( 24,111 ft ) , was far higher than any other mountain climbed at the time , and its ascent was and remains the most controversial aspect of Graham 's expedition .