A Sea Stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, isolated by erosion.
|Cocos Island||Cocos island is surrounded by several islets, some of them like Manuelita island, isla Pájara and "the moais" rise quite abruptly from the sea.|
|Dorset and East Devon Coast||Old Harry Rocks|
|Galapagos Islands||Kicker Rock (off San Cristobal). See No 7 at link|
|Gough and Inaccessible Islands||"....and there are numerous offshore islets, stacks and rocks - most within 100 m of the main island, and none at a distance greater than 1 km." (UNESCO web site)|
|Gros Morne National Park||There are numerous sea stacks along the shore.|
|Guanacaste||Roca Bruja in Santa Rosa National Park|
|Lord Howe Island||Ball's Pyramid|
|Olympic National Park||"The rocky headlands, beaches, tide pools nurturing a living rainbow of colors and textures, off shore sea stacks topped by nesting seabirds and wind-sheared trees-all are a remnant of a wilder America."|
|St. Kilda||Stac an Armin|
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