haha shap, reminds me of the end of Blizzard of Aaahhhhs "notice the back handspring OVER the crevasse" lol
biggest drop I've swam ... was pretty gentle compared to a long boulder garden beating.
IKs can be great for creeking, if there are scouting/portage options, and the water is low enough to preclude open-ended swims. still, I think that was a nine hour day, with several swims per person and a few wrapped boats to boot.
It's a fine line deciding what you are willing to attempt -- don't run nuthin' you wouldn't swim is a good rule.
worth it to see so lovely a place!
The alpacka boaters have been through with a bit more style than our hacking.... think they cleaned Elbow room, crux of the lower gorge.