The 15-member hiking group from the "Taiwan Eco-Hiking Education Association" reported that member Huang Junlin went missing in the fog-covered Wulan Mountain area on the northeastern ridge of Nanhu Mountain on the seventh. The Yilan County Fire Bureau and Air Rescue Squadron were alerted and dispatched personnel for a search and rescue operation. Huang, who had been missing for four days, was finally found near 7 p.m. on the tenth. The fire bureau first transported him to the Siji Police Station before evacuating him from the mountain area overnight for medical attention.
The 15-member hiking group from the "Taiwan Eco-Hiking Education Association" had traveled to Linzi Waterfall in Jiaping Forest Road, Siji Village, Datong Township, Yilan County, four days prior for a hike.