i might be wrong, but i still believe that this is the place where peter jackson rendered helm’s deep, the rohirrim garrison against the siege where the battle of hornburg was fought in the two towers. the tasman valley lies between mount cook range (left) and the burnett mountains (right) and fed by tasman glacier and murchison glacier. mt. tasman, at 3,497m, the 2nd highest mountain in new zealand with the peak clearly visible in the left of the picture. taken from mount cook airport june 2010.
the location: