Dinggou Islet. Dinggou Islet is located about one kilometer southeast of Jishan Islet, belonging to Huxi Township. "Dinggou" means anchor, and it was named Dinggou Islet because its shape resembles an anchor. Dinggou Islet is located about one kilometer southeast of Jishan Islet, belonging to Huxi Township. "Dinggou" means anchor, and it was named Dinggou Islet because its shape resembles an anchor. The entire island of Dinggou Islet is composed of tightly structured columnar basalt. The rocks often contain olivine nodules. Due to different directions of magma flow to the surface, the cooling process formed diverse columnar joints. Subsequent weathering and sea erosion have created peculiar and varied coastal landforms, earning it the nickname "Miniature Guilin on the Sea." Dinggou Islet is located about one kilometer southeast of Jishan Islet, belonging to Huxi Township. "Dinggou" means anchor, and it was named Dinggou Islet because its shape resembles an anchor. The entire island of Dinggou Islet is composed of tightly structured columnar basalt. The rocks often contain olivine nodules. Due to different directions of magma flow to the surface, the cooling process formed diverse columnar joints. Subsequent weathering and sea erosion have created peculiar and varied coastal landforms, earning it the nickname "Miniature Guilin on the Sea." The unique geological landscape has led to Dinggou Islet, along with Jishan Islet and Xiaobaisha Islet, being collectively designated as a basalt nature reserve in Penghu County. Landing on the island is prohibited without authorization. Generally, the public can only view the island's scenery from a distance by participating in sea cruise tours. Due to its rarity of human presence, various precious species can be found here between April and September each year.
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