Renzhiguan Gorge

Renzhiguan (人止關, literally "the pass where humans must stop") is a dramatic natural gorge located at the 74.47-kilometre mark of Taiwan Provincial Route 14, in Ren'ai Township, Nantou County. The gorge was formed by the Mei River (眉溪) cutting through thick sandstone strata between the Renai Bridge (仁愛橋) and Daguan Bridge (大觀橋), creating steep cliff walls that made passage extremely difficult. The site sits at the transition between the lowland plains around Puli and the mountainous indigenous territories leading up to Wushe (霧社).

During the Qing Dynasty, the gorge served as a formal boundary between Han Chinese settlers and indigenous Seediq territory. In 1831, the Qing government fixed the indigenous boundary (番界) here, forbidding Han Chinese from ascending into the mountains. Trade between the two communities was conducted through Kaxabu (噶哈巫) plains-indigenous intermediaries at this border point, making Renzhiguan a key interface between colonial administration and indigenous autonomy.

The gorge gained its greatest military significance during the Japanese colonial period. On 29 April 1902, Japanese forces under Lieutenant Nakamura attempted to push through the pass to subjugate the Seediq communities beyond. Warriors from five Seediq villages — Tongan (眉溪社), Sipo (西寶社), Paran (巴蘭社), Hogo (荷戈社), and Drodux (羅多夫社) — used the gorge's natural terrain advantage to ambush and repel the Japanese troops in what became known as the Battle of Renzhiguan (人止關之役). The Japanese subsequently adopted resource blockade policies (1903–1905) before the Seediq groups reached a peace settlement in November 1905.

During the Wushe Incident of October 1930 — the largest armed indigenous uprising against Japanese colonial rule in Taiwan — Renzhiguan again featured in military calculations. After Mona Rudao led Seediq warriors in attacking the Japanese settlement at Wushe, the insurgent forces reportedly considered extending their operations toward Renzhiguan to cut off the Japanese reinforcement route from Puli. However, they withdrew the following day due to communication difficulties and retreated to defensive positions in the Mahebo Stream caves instead.

Today, Renzhiguan is accessible as a scenic site along Provincial Route 14. The gorge retains its dramatic geological character, with exposed Mei River Sandstone (眉溪砂岩) formations offering excellent stratigraphic profiles. While there are no formal memorial structures at the gorge itself, it remains an important landmark in the narrative of indigenous resistance during the Japanese colonial period and is promoted as a scenic spot by Nantou County.