In Greymouth I found some accommodation and drove 40kms to Punakaiki to visit the pancake rocks and blowholes. The Pancake Rocks are a heavily eroded limestone. The sea bursts though a number of vertical blowholes during high tides. The 'pancake'-layering of the limestone was created by immense pressure on alternating hard and soft layers of marine creatures and plant sediments formed 30 million years ago.
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