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.
"Got tight last night on absinthe and did knife tricks. Great success shooting the knife into the piano. The woodworms are so bad and eat hell out of all furniture that you can always claim the woodworms did it."