Mostly lower portion. I would grab a pair of shoes to get wet. Then your boots for the upper. My legs were under water up to my knees in parts mostly on the way back down due to massive snow melt. I would use switchbacks up and down. Hated the chute. Trail crest should be less dangerous by now but take your time. This was my 5th year in a row and I was scared on trail crest for the first time.
