Minas Tirith
From: The Man from Upper Hutt
Looks like they were filming at Dry Creek Quarry on Haywards Hill this evening.
I drove past around 7 pm and there was a lot of activity, with traffic cones and a van with orange flashing lights on the car park across the road from the set.
Later in the evening I could see the floodlights on the set from my home 16 km away (10 miles).