Sunkoshi River offers the longest trip in Nepal in terms of river days. It has many tributaries entering from the north that drain Himalayan peaks including the mighty mount Everest. The character of the river changes with amazing wide valley sections and large sandy islands becoming narrow jungle gorges and corridors. There is only one large village on the river, the hardest rapid – Hakapur is named after it. The upper section is known as the Bhote Kosi, an adrenaline charged section of river described separately in this guide. The commercial trips start at Dolalghat, which is close to the confluence of the Bhote kosi, and the Indrawati. You can expect the trip to take 10 days, this may include a lay-over day. Post monsoon it can be rafted in 8 days, 6 in a kayak.Transportation to the river The Sun kosi has the great advantage of having a Put-in point near Kathmandu. You could expect the bus to take about three hours, which is ideal to unpack, have lunch and depart at the start of the afternoon.

On the river On the first day you are likely to encounter big and bouncy wave trains at class 2-3 and you may reach Meat-grinder (4-) close to the confluence of the Tamba Kosi. From here class 3+ to 4- is the order of the day, with some rapids like High Anxiety (4-) which are just massive surf waves during early October descents.

The Hardest rapid Hakapur (5-) is just before the halfway point and often a layover day follows at Little Devisthan beach. Below here the Dudh kosi enters and the river narrows into the jungle corridor – Imaginative names of rapids within (Rhino rock, No Quiche, Dummy to the wall, Roller coaster, El Wasto!, Arthur Daley?).All the above in the class 4 region. The river continues then with several more rapids at a lower grade. The Arun and Tamur rivers join just before the Sun Kosi breaks out of the valley it has been held in for 270Km into a vast wide plain taking it eventually into the bay of Bengal. In a kayak it can be done more quickly but the thought of a self-sufficient trip of that length would make me think twice – most raft operators offer good deals to kayakers (especially early season) and I would recommend using raft support or tagging along to a scheduled raft departure.

Ten days is a long time on a river – the only other advice is to bear in mind that you are confined to the area of an 8 man raft for 8 – 10 days with people who you may not have had chance to get to know beforehand. Lay-over days are a great way of breaking up that time – check if the operator you use includes that option.

Lastly, the journey to the Sunkoshi River may be short but the journey back ain’t……unless you fly you’re looking at a 16 to 20 hour bus journey from hell (all part of the adventure !  ) book Sunkoshi River now.

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  1. Day 1

    Leave Kathmandu

    Leave Kathmandu, bus to the river, unpack and lunch, begin river trip early afternoon, steady afternoon with nothing too difficult.

  2. Day 2

    Past ‘Meat grinder’, and the Tamba Kosi Confluence

  3. Day 3

    ‘Punch and Judy’, Likhu khola confluence

    ‘Punch and Judy’, Likhu khola confluence and maybe as far as ‘High Anxiety’.

  4. Day 4

    Past ‘High Anxiety’, to Hakapur village & rapid

    Big day

  5. Day 5

    Layover day

    Layover day? Little Devisthan beach

  6. Day 6

    Dudh Kosi confluence

    Dudh Kosi confluence, ‘Jaws’, camp above jungle corridor.

  7. Day 7

    Probably the best, numerous big class 4’s in the jungle corridor, ‘Rhino rock’, ‘El Wasto’ and others.

  8. Day 8

    Out of the corridor, odd class 3 / 4, ‘Big Dipper’, could arrive Chatra

  9. Day 9

    Arrive Chatra, pack, bus to Kathmandu

    The trip, depending on the level of the water can take as minimum as 8 days and as maximum as 10.

Cost & Dates

Individual: USD 275 Private Trip: USD 300 ( minimum 4 pax) Price includes: land transfers, rafting and camping gears, meals and guide

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