Wampu River
Also known as: Sungai Wampu
Lush rainforest, cliffs, birdsong; waterfall stop for swimming
Is there water?
Whether there is a river here on your dates, and what kind of water it is.
Rain-fed from Langkat/Bahorok highlands; levels rise with rainfall
Largely year-round (rain-fed) (est)
Drier months favourable; rain-fed jungle river runnable much of the year (est) (Confirm.)
Warm tropical water (est)
Flash-flood risk after heavy upstream rain (Bohorok has a flood history) (est)
Grade & who can come
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.
Grade 1-3
Whitewater rafting
Single full-day run; commonly bundled with 1-3 day orangutan jungle trek
Broad appeal - active but moderate; paired with Bukit Lawang trekking; not for non-swimmers (est)
The run
Moderate rapids interspersed with flat water; waterfall swim/lunch stop mid-run (est)
Strainers/logs and rocks in jungle channel; standard rafting hazards (est)
Marike to Bohorok bridge
Low to moderate; quieter than Java commercial runs
Access & shuttle
Operator day-rate (~USD 72/day cited, min 2 pax) (Confirm.)
Permits and operators change - confirm before booking.
Put-in at Marike (~1 hr drive from Bukit Lawang); take-out at Bohorok bridge
Operator vehicle Bukit Lawang-Marike; transfer back to Bukit Lawang after take-out
Bukit Lawang guesthouses/lodges as base; no on-river huts
Helmet/paddle/PFD and BBQ lunch, fruit, water included
Jungle Sumatra, Orangutan Adventure, Sumatra EcoTravel, Pro Trek Sumatra; hub Bukit Lawang
Hazards & exits
Jungle river with flood potential; combine responsibly with orangutan ecotourism
Road access near village ends; mid-river egress limited in jungle (est)
Guide plus assistant per raft provided
This profile is desk research, compiled from public sources - not a first-hand river run report. Coordinates are approximate.