With my 2 sons this top activity done. Was a very cool experience. We are well guided by our Guide, he was friendly and spoke good English. It was a not too long route and our group was fortunately not large (10 men) so we could do the various jumps and departments twice. All in all, been actively engaged for almost 2 1/2 hours. Setting was also very nice.
If not everyone in your family wants to participate, that's no problem
Advice is to just walk to the Canyon, the route is easy to follow from the shore, at the end there is a bridge to watch the jumps and even a place to enter the water.
Only flaw was that there is a wrong departure location in TripAdvisor, which made us almost late for the departure. Fortunately, our Guide responded quickly allowing him to provide the correct location.