Hi I'm pretty sure this photo is taken around Rangitata Valley, on the road to Mount Edoras track (mount Sunday). I spent 2 days on the edge of the Lake Camp and I think I recognize the sight ;)
Have a look on my Mount Edoras post : https://steemit.com/stphotochallenge/@mazar/stphotochallenge-landscapes-edoras-lord-of-yhe-rings
RE: in New Zealand. This place is a must see.