### Instruction:
Where is Rakaia Gorge located?

### Input:
The Rakaia Gorge is located on the Rakaia River in inland Canterbury in New Zealand's South Island.

### Response:
The Rakaia Gorge is located on the Rakaia River in inland Canterbury in New Zealand's South Island.
Like its neighbour, the Waimakariri River, the Rakaia runs through wide shingle beds for much of its length, but is forced through a narrow canyon as it approaches the Canterbury Plains.