Mount Sunday
Mount Sunday was a hill in Rangitata Valley near Erewhon on which Edoras, the capital of Rohan was built in Peter Jackson's film version of The Lord of the Rings. Though Peter Jackson found Mount Sunday being a perfect location for Edoras, some still say that the hill is too small to be the capital of Rohan.[1]
It also is very windy there, as shown in The Two Towers.
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