I was a local to the area, I know of no way of getting from below Victoria lookout to Victoria lookout without climbing equipment. (There are scramble routes nearby, but not at the route shown here). If you review SIX Maps and Google aerial imagery, you'll see the area where the lower part of this trail is, was obliterated in the last rock slide.
In any event, this came up when I was asked by someone planning to visit, whether they could walk this route. It can't be 'walked'.