Guishan Island, Volcanic island in Toucheng Township, Taiwan.
Guishan Island is a volcanic island in the Pacific Ocean off the coast of Toucheng Township in Taiwan. Steep cliffs and jagged rock formations shape its appearance, while the entire landmass remains uninhabited and accessible only through guided tours.
The government relocated the fishing families living here to the mainland in 1977 and established a military base. In 2000 the area became a marine park and access reopened for visitors under strict conditions.
The name comes from the turtle-shaped profile visitors notice when looking at it from the mainland shore. Today people visit to watch dolphins and whales that swim in the surrounding waters, often approaching quite close to the boats.
Ferry services from Wushi Port bring visitors to the island, with advance registration needed because of limited visitor numbers. The crossing takes about 20 minutes and all tours are accompanied by park rangers who show designated trails and viewpoints.
Underwater vents near the shore produce gas bubbles and hot springs that become visible at the sea surface. Taiwan has no other locations with active volcanic activity, making this place geologically singular.
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