In 2016 a waterfall was spotted coming out of the cliffs at the 12 Apostles (on the Great Ocean Rd) after a lot of heavy rain. That was the first - which I raced down to get when I heard about it. This week we have had quite a lot of rain and it is running again :) This would be about the 4th time since 2016, and they only last 2 -3 days as it is run-off water, not a river or creek.