Xiaomenyu Introduction
Xiaomen Islet is located at the northern tip of Xiyu Island, separated from Xiyu by a waterway approximately 20 meters wide, now connected by the Xiaomen Bridge. Although the island has an area of only 0.5 square kilometers, its geological landscape is a microcosm of the Penghu Islands, earning it the nickname of "living outdoor geological classroom." Xiaomen Islet is a lava platform with a higher northern terrain and a lower southern terrain. The eastern, northern, and western coasts of the island are mostly basalt cliffs, while the southern coast is an area where villages are concentrated. Here, you can see porous basalt with spherical structures, distinctive iron-rich sandstone, iron-rich clay layers, gray shell rock interspersed with animal fossils, and various geological landscapes shaped by water erosion. The island's most famous attraction, "Whale Cave," is named for its resemblance to a whale's head rising above the water. The Whale Cave was originally a basalt cliff that, through the continuous erosive action of seawater, has transformed into the "sea arch" seen today, illustrating the evolution of coastal erosion features. Additionally, Xiaomen Islet features unique cultural landscapes such as honeycomb fields and Shigandang, as well as a great opportunity to explore the geological mysteries of Penghu at the "Xiaomen Geological Museum," which should not be missed!