Superb set of images. I like the color of the water on the first two, very deep it reminds me of some southern alpine rivers. The different and successive cascades of the first are a good way to lead the eye, well seen!
I also like the last one, with the heavy chain handrail.
I've noticed that you used PTgui Pro. Did you switch from AutoPano or did you find it more suited to this type of images?