Also known as: Laonong Xi, Laknung River
Green mountain gorges, waterfalls; landmark Eighteen Arhats Mountain (Little Guilin); nearby Baolai hot springs, Tengzhi forest

Whether there is a river here on your dates, and what kind of water it is.
Monsoon/typhoon-summer fed; severe post-rain turbidity spikes (lost clear-water character)
Summer flow only; moot while operation lapsed. Confirm.
Best June-October, operating window approx May-Sept/Oct tied to summer flow. Commercial operation effectively defunct since approx 2018. Confirm.
River cold (Yushan headwaters); adjacent Baolai hot springs approx 60 C source (thermal side-trip)
Typhoon Morakot (Aug 2009) reshaped the riverbed and ended the original industry; ongoing typhoon-season closures (approx Jul-Oct), landslide/collapse zones, turbidity after rain
A river changes grade with its level. These grades describe a normal flow - in flood the same run is harder, and often a different run entirely. Check the gauge before you commit.
Historically Class IV (Tourism Bureau); post-2016 lower route effectively Class II-III. Confirm.
Rafting
Convoy commercial rafts with lifeguards; no split options while operating
When operating, guided group tours; no children under 12 (some listings exclude under-5/over-65)
Historic crux in upper gorge/cliff rapids (approx 32 rapids on Baolai-Xinfa); post-2016 lower route flattened and silt-laden - a reason for closure. Confirm.
Unstable gravel channel, submerged rocks/debris, strainers, flash floods after upstream rain; no on-river portages documented (day run)
Historic: Baolai to Xinfa / Liugui to Xincheng; post-2016 revival Tulongwan (Liugui) to Eighteen Arhats Mountain
Currently solitude by default (activity lapsed); at 2016 peak drew organized group tours
Fee (2016) NT$700 weekday / NT$800 weekend, packages NT$888-999; now obsolete. Confirm current operation/prices.
Permits and operators change - confirm before booking.
Provincial Highway 27 (Tai-27) to Baolai/Liugui; post-2016 put-in via National Hwy 10 to Qishan then Tai-28/Tai-27; Southern Cross-Island Hwy 20 meets valley at Baolai
Kaohsiung Bus 352 Kaohsiung-Baolai approx 2.5-3 hr; operators historically ran raft shuttle. Confirm.
Day trip - no on-river huts/camps; Baolai resort town lodging nearby
Bring dry bag; assume patchy mobile signal in gorge; gear provided by operator when running
Hubs Baolai (hot-spring town) and Liugui; regional authority Maolin National Scenic Area Administration (Liugui)
Commercial rafting effectively defunct/lapsed since approx 2018; verify live operation before any booking. Confirm.
Rafts run in convoy with lifeguards; Tai-27 parallels valley for vehicle egress at bridges; hazards flash floods, landslide slopes, submerged rocks
Guided/crew only when operating: mandatory life jacket + helmet, professional lifeguards per raft; recruiting qualified lifeguards was a cited failure point. Confirm.
This profile is desk research, compiled from public sources - not a first-hand river run report. Coordinates are approximate.