Between the Danger Signs at the edges of the Citadelle walls and the name of this waterfall, I was able to deduce that "chute" = "fall(s?)". Man my French is improving. (Also: how did I not know about this Explore program- a free 5 week french course including food and accommodation! Next summer, perhaps?)
Apparently its 30m higher than Niagara Falls or something like that.
Yup.We conquered those bad boys. 400+ each way!