Qingwan Basalt Introduction
The Penghu Islands are primarily composed of basalt, which was formed by lava erupting multiple times from fissures in the earth, cooling when it reached the surface. The oldest volcanic lava dates back about 18 million years, with a tranquil eruption occurring around that time, and volcanic activity ceasing approximately 8 million years ago. The basalt has created a columnar landscape, characterized by steep cliffs, which, over a long period of weathering, wind erosion, and marine erosion, has developed various unique topographical features. Additionally, the rapid cooling and contraction of lava create tension within the rock, resulting in a polygonal columnar fracture, known as columnar jointing. This results in straight, curved, or inclined formations, becoming the most distinctive feature of the Penghu basalt landscape. In Magong, on the left side of County Road 201 heading toward Fenggui, one can see the towering Qingshui columnar basalt alongside the road. Due to prolonged weathering and erosion, the basalt of Penghu displays different appearances, and Qingshui is one of the most scenic examples of columnar basalt. At Qingshui, not only can you admire the majestic and independent basalt formations, but you can also enjoy the coastal scenery. 【Recommended stay time】 1 hour.
Qingwan Basalt
