Haystack Rock is a 235-foot (72-meter) tall monolith (or sea stack) on the Oregon coast in the northwestern United States, the third-tallest such structure in the world. A popular tourist destination, the rock is adjacent to the beach and accessible by foot during low tide. Haystack Rock tide pools are home to many intertidal animals, including starfish, anemone, crabs, chitons, limpets, and sea slugs. The rock is also a refuge for many sea birds, including terns and puffins.
