The Bhote Koshi River, located approximately 3 hours northeast of Kathmandu near the Tibet border, is renowned as Nepal’s steepest and most challenging white‑water rafting destination. Originating from the Zhangzanbo Glacier in Tibet, the river offers a thrilling descent through narrow gorges and lush valleys, making it a top choice for adventure seekers
Bhote Koshi River Profile
Length
The Bhote Koshi offers a raftable section of approximately 22–27 km, with full expeditions reaching up to 46 km when combining upper and lower stretches down to Lamosangu Dam.
Gradient
With a remarkable drop of 15 m per kilometer (about 80 ft per mile), Bhote Koshi ranks as Nepal’s steepest commercially rafted river, roughly eight times steeper than the nearby Sun Koshi. This steep gradient results in constant adrenaline‑packed rapids and few calm sections .
Rapids Classification
Typically rated Class III–V under normal flow conditions
Can escalate to Class VI in high water or certain upper-canyon segments
The river’s rapids follow one another almost without pause—non-stop whitewater action .
Signature Rapids
These named rapids define the Bhote Koshi experience:
Gerbil in the Plumbing – A technical, steep Class IV–V rapid typically encountered early in the run .
Frog in a Blender – A chaotic, powerful Class IV–V rapid famed for its unpredictable hydraulics.
The Great Wall – A dramatic, wall-like rapid requiring precise maneuvering, often featured on upper-section or multi-day trips .
Other notable rapids include Liquid Bliss, Dazed & Confused, Carnal Knowledge, Midnight Special, ExLax, Fake Right Go Left, and My God, What to Do .
Trip Structure
| Section | Distance | Rapids Class | Trip Duration |
|---|---|---|---|
| Lower Section | 22 km | Class III–IV | 1 day (ideal for intermediates) |
| Full Expedition | +20 km upper run | Class IV–VI | 2–3 days, often with camping |
Lower runs (22 km) are perfect for an adrenaline-fueled day trip.
Upper runs venture into powerful Class IV–VI territory, often including multi-day outings with riverside camps.
Qualified Guides & Training
Certified Guides: All guides are trained in Swift Water Rescue Technician (SRT), CPR, and Wilderness First Aid.
- Safety Kayakers: Professional kayakers accompany each trip to assist in rescues and provide immediate support if needed.
Essential Safety Gear
Life Jackets (PFDs): Provided to all participants, ensuring buoyancy and protection.
Helmets: Worn at all times to protect against head injuries.
Rafts & Equipment: High-quality self-bailing inflatable rafts, paddles, and dry bags are supplied.
Essential Safety Gear
Life Jackets (PFDs): Provided to all participants, ensuring buoyancy and protection.
Helmets: Worn at all times to protect against head injuries.
Rafts & Equipment: High-quality self-bailing inflatable rafts, paddles, and dry bags are supplied.
Group Coordination & Environmental Responsibility
Teamwork: Rafting requires coordinated efforts; participants are encouraged to paddle in sync and follow the guide's commands.
Environmental Awareness: Operators promote eco-friendly practices, including waste disposal protocols and respecting local ecosystems.
Health & Medical Considerations
Medical Disclosure: Participants should inform guides of any medical conditions or allergies beforehand.
Physical Fitness: A moderate level of fitness is recommended, as rafting involves physical exertion.
Insurance: Travel insurance covering rafting activities is advised.
