In 1871,
Ryukyuan sailors traveling home from
Shuri to
Miyako-jima shipwrecked off the southeast coast of Taiwan. They were killed by the local
Paiwan people in what is known as the
Mudan incident. In retaliation, in 1874, Japan
invaded and occupied Taiwan for a few months. After the incident, the governing Qing realized how little control they had over remote regions of the island; they sent
Shen Baozhen to Taiwan, who proposed building three east–west trails across the Central Mountain Range. Shen hoped that these trails would encourage
Han people to live in the mountains to better subjugate the indigenous population as well as strengthen the Qing dynasty's hold on the island. In 1875, Shen ordered , a military officer, to construct the middle path. Wu started in January at
Zhushan and worked his way east. They first crossed over Fenghuang Mountain to Aiguo on the banks of the
Chenyoulan River, then followed the river to Dongpu. From here, they ascended up the Central Mountain Range. When they reached Dashuiku in July, Wu looked at the treacherous terrain ahead decided to call for another team led by Deng Guozhi (鄧國志) to start at the east in
Yuli and build the road westwards. The trail was completed (
EDIT: the reconnaissance of the trail was completed in 6 months or so, the creation of the trail must have taken longer than one year???) in November 1875 for a total length of . After the trail's completion, Wu set up a military camp in
Ruisui to establish a stronger Qing presence in the
Huadong Valley. The Qing lifted restrictions that barred the Han from moving east, and
Ding Richang even offered money and tools to encourage settlers. However, most Han people did not dare to travel further west than Dongpu due to the rough terrain and the presence of indigenous tribes. The Qing dynasty also struggled to govern the Huadong Valley; Wu and his successors frequently ran into conflicts with the
Amis living on the plains, and corruption was also rampant among Qing officers. Due to high costs of maintaining the trail, on October 24, 1891, newly appointed governor of Taiwan
Liu Mingchuan decided to abandon the trail from Dongpu to Yuli. Around this time, a much flatter path bypassing Fenghuang Mountain through modern-day
Shuili was built, and the trail between Zhushan and Aiguo was rendered obsolete. == Japanese era trail ==