What is the island that the "Grand Canyon of the Pacific" known as?
Kauai:  This island is the site of Waimea Canyon State Park. Waimea Canyon State Park: Waimea Canyon, also known as the "Grand Canyon of the Pacific", is a large canyon, approximately ten miles (16 km) long and up to 3,000 feet (900 m) deep, located on the western side of Kauaʻ i in the Hawaiian Islands of the United States.
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