The Chongde Tunnel was opened to traffic on August 10, 1990, with a total length of about 325 meters. The Shigangzai section of Suhua Historic Trail still remains above the tunnel and can be reached from the south end of Chongde Tunnel. In 2012, it was attacked by moderate typhoon Sula, and the area for car parking at the south end of the tunnel was washed away due to heavy rain.
The Shigangzai section of the Suhua Historic Trai belongs to the Taroko National Park and is temporarily closed, and due to the rapid climate change in recent years, the Taroko National Park Headquarters has no restoration plan. This trail is one of the coastal Lifan roads excavated in the 3rd year of Taisho (1914). Today, there are still complete stone steps along the way, where you can overlook the Qingshui cliff.
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