Dujuan Canyon (中文版：杜鵑谷) is a slot canyon in Kaohsiung, Maolin Township. There is a path all the way down to the river, and then it's only a short hike up to the first waterfall. From the trail entrance to the first waterfall takes about 20 minutes.. There is a cave there and a small place to play in the water.
Farther up the the river there is a slot canyon and a few more small waterfalls. It only takes 15 minutes to get to the slot canyon from the first waterfall, but some climbing is required.
This river is prone to flash flooding during the rainy season. Please consult the Central Weather Bureau website before hiking up the river and stay out of the canyons when there is a chance of heavy rain
Kaohsiung City, Maolin District
Waterfall: 22.90134, 120.73205
Parking: 22.90775, 120.72584