Rainmaker Mountain (North Pioa)
Tutuila IslandAmerican Samoa
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The mountain is a volcanic feature known as a trachyte plug. This means that it is a volcanic intrusion made of extrusive igneous rocks and minerals which have a fine-grained, generally porphyritic texture.
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Landmark Trivia
- The average annual rainfall on the mountain is around 200 inches (5 meters).
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