Tamur
Also known as: Tamur / Tamor / Tamur Koshi
Remote far-eastern hills; Kanchenjunga foothills on trek; wild gorges and jungle
Is there water?
Whether there is a river here on your dates, and what kind of water it is.
Snowmelt and monsoon fed; very high volume in autumn
Highest big water post-monsoon Oct-Nov; spring lower snowmelt. Confirm.
Oct to Nov (post-monsoon big water) and Apr to May
Cold snow-fed headwaters warming downstream; wetsuit or drysuit advised (est)
Monsoon flooding and landslides make access and river dangerous Jun-Sep. Confirm.
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.
Nepali grade 4-5 (big water; 100 plus rapids)
Rafting and kayaking
Single continuous expedition; can extend into Sun Koshi (River of Gold)
Advanced paddlers with expedition fitness; remote, trek-in, limited exit points
The run
Named class 4 rapids Ashram (4+), Hell Hole, Bat Below; big continuous volume. Confirm.
Scout and portage big drops at high water; remote with few road bail-outs. Confirm.
Tamur expedition (Dobhan/Mitlung to Chatara)
High solitude; few groups, true wilderness expedition
Access & shuttle
No government river permit since 1999; operator fees only; local access arrangements. Confirm.
Permits and operators change - confirm before booking.
Drive to Basantapur via Dharan then 3-4 day trek to river put-in at Dobhan/Mitlung; take-out at Chatara
Long road journey to Basantapur (about 18 hr from Kathmandu, closer from Dharan); porters for trek-in. Confirm.
Wild beach camps throughout; camp at Tribeni confluence by the Sun Koshi
Fully self-supported; carry food and gear; almost no mobile coverage, satellite comms advised
Dharan and Basantapur hubs; Nepal River Runner, Ultimate Descents (est)
Hazards & exits
Remote committing big-water expedition; trek-in, high flows and isolation raise commitment. Confirm.
Very limited exits; trails to hill villages; road only near take-out at Chatara; helicopter evac from towns
Fully supported guided expedition; expert guides, safety kayakers, self-sufficient team required
This profile is desk research, compiled from public sources - not a first-hand river run report. Coordinates are approximate.