The gully to the left of the waterfall is treacherous! I can see how somebody got killed there, especially if wet. Simply avoid it by taking the alternate, cairned ascent around the waterfall to the left, about 60-70 yards before you get to the gully.
"As an adolescent I aspired to lasting fame, I craved factual certainty, and I thirsted for a meaningful vision of human life - so I became a scientist. This is like becoming an archbishop so you can meet girls."