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Kauai is the most northwestern of Hawaii's major islands and is the 4th largest by size and population. Nicknamed the Garden Island, it is covered with lush greenery and tropical plants, watered regularly by abundant rainfall. As the oldest of the islands, it has been changed the most by the forces of erosion, and this has resulted in natural wonders such as Waimea Canyon and the Na Pali Coast. As a consequence of its age, Kauai also has more miles of sandy coastline than the other Hawaiian islands.
Guide content from Wikivoyage contributors (CC BY-SA).
Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-07-23. Some links earn Stayonomy a commission at no cost to you.