Sunkoshi Fishing Trip

Starting Point

Starting Point Fewry Camp, Raighat (Drive from Kathmandu to put-in)

Duration

Duration 7 Days

Difficulty

Difficulty Class III/ Class V

Activity

Activity Fishing and white water rafting

Max. altitude

Max. altitude 308 m

Best Season

Best Season Autumn (October – November) & Spring (March – May)

Distance

Distance 110–115 KM

Group Size

Group Size Minimum 1, Maximum 14

Ending Point

Ending Point Chatara

What Makes the Sunkoshi Fishing Trip Unique?

  • The real “River of Gold”: “Sunkoshi” means “River of Gold” in Nepali. This is not just a catchy name. For hundreds of years, local riverside people have panned fine placer gold particles and alluvial gold from the gravel and sand banks of this river.
  • Built for serious anglers: This trip is designed for the purist angler. The river has heavy hydraulic currents and complex pool-rapid structures. To target apex native game fish like the legendary Golden Mahseer and benthic Goonch catfish, you need intense, deep patience and precise technical casting that you cannot get on standard commercial lakes.
  • Top spot for kayaking and rafting: The Sunkoshi is most famous for kayaking and river rafting. These activities let adventurers explore the river and have an amazing time.
  • A major trans-boundary river: The Sunkoshi is a critical trans-boundary artery of the major Sapta Koshi river system. It starts from glacier-fed headwaters on the Tibetan Plateau, cuts straight through the mighty Mahabharat Range, then joins the Arun and Tamur rivers at Tribeni, and finally drains into the Gangetic plains.
  • Learn about Majhi culture: Rafters can learn about the Majhi culture, a local fishermen tribe that lives in habitats close to the Sunkoshi River.

Sunkoshi Fishing Trip Overview

The 7-day Sunkoshi Fishing Trip is a big wilderness adventure in Nepal’s Sunkoshi River. The trip mixes the excitement of big-volume whitewater with the calm focus of remote sport fishing. You leave the modern world behind at Fewry Camp (Raighat) and spend a week drifting through deep sub-tropical canyon, catching fish, and camping on clean white-sand beaches that you can only reach by river. The main targets are the legendary Golden Mahseer in fast-water seams and tributary mixing zones, plus the deep-water Goonch catfish in benthic hydraulic pockets, with Copper Mahseer (Katle) and Snow Trout (Asla) as reliable secondary species.

The Sunkoshi’s rapids start easy and build up slowly, helping you get into the river’s rhythm while opening up access to untouched eddies and deep boulder pools. Flowing from glacier-fed headwaters on the Tibetan Plateau down to the plains of Chatara, this famous “River of Gold” gives a strong feeling of isolation. It is a dream escape for active outdoor lovers seeking a true backcountry angling adventure.

Even though the setting is wild and rough, your time on the water is supported by very careful safety and operational precision. Top, government-licensed river guides lead the expedition, certified by the International Rafting Federation (IRF) and trained as Whitewater Rescue Technicians (WRT). From our specialized middle-oar rafts, our team handles the heavy water, remote camp logistics, and backcountry kitchen, so you can focus fully on your casting. It is a smooth, deeply authentic journey where days are shaped by wild rapids, amazing canyon views, and the rewarding challenge of fishing one of the world’s great Himalayan rivers.

Why Anglers Choose (or Skip) the Sunkoshi?

The Sunkoshi is a bit of a puzzle for modern fishing trips. If you only look at how close it is to Kathmandu and short time windows, it is still a very practical and easy-to-organize option. But if your main goals are high success rates for trophy catches and meeting healthy populations of endangered, large river monsters, many anglers skip the Sunkoshi and choose western rivers like the Babai and the Seti Karnali instead.

  • The Sunkoshi Advantage: Geographically, it is the most accessible multi-day river corridor from Kathmandu. For shorter trips or for travelers who want to avoid the hassle of domestic flights to the far west, it offers a real wilderness rafting setup with fishing access right from the capital.
  • The Conservation Disadvantage: Since it is close to populated highway areas, the upper and mid-sections of the Sunkoshi have faced heavy pressure from upriver municipal pollution, agricultural runoff, and past gill-netting. This has made the legendary Golden Mahseer and huge Goonch catfish very hard to find and much rarer than in the past.

Why the Western Rivers Are Often Chosen Instead

Serious trophy anglers who want to hunt giant river predators often look past the Sunkoshi because of the protected habitats in the west:

  • The Babai River (Bardia National Park): Because it flows completely through a strictly controlled national park, there is no human settlement, and fishing pressure is low due to tightly restricted park permits. It has clear water conditions after the monsoon and very healthy, protected populations of Golden Mahseer and Goonch.
  • The Seti Karnali Corridor: This is the ultimate remote, unpolluted, and high-yielding aquatic ecosystem. Far from industrial runoff, its deep canyon pools, high-velocity confluences (like the Budhi Ganga confluence), and strong currents create pristine micro-habitats where giant Goonch and wild Mahseer still live in high numbers.

The Verdict:

If your time is short and staying close to Kathmandu is an absolute must, the Sunkoshi is a workable, accessible option, as long as you understand that pollution has made it a tough, high-patience fishery. It gives a magnificent wilderness journey, but finding those endangered giants means working hard for every single strike.

7 Days Sunkoshi Fishing Trip

Day 1: Arrival at Fewry Camp/Raighat (~308 m)

We leave early in the morning by private vehicle from Kathmandu. We drive along the highway with our rafts, crew, and all expedition luggage to reach the river put-in point near the Sunkoshi bridge at the Fewry area. When we reach the riverside, the camp crew will prepare and serve a fresh, cold lunch. Later that afternoon, we inflate the rafts, organize safety gear, and set up our base at Fewry Camp.

Once everything is ready, anglers will get geared up for their first premium catch-and-release fishing session. The water here is highly oxygenated and fast-flowing, with clean gravel beds, which is perfect habitat for the Golden Mahseer, which likes to hold in the highly oxygenated rapid tails and compression waves. While upriver development has changed water quality closer to towns, this stretch starts to clear up, giving us our first real chance to find wild fish.

In the evening, the camp crew prepares dinner. You can eat and relax right by the water, enjoying the calm of your first night in the river wilderness.

Overnight

Fewry Camp Wilderness Tented Beach Camp

Day 2: Angling at Fewry Camp

After breakfast at camp, we get ready for a full day of stationary catch-and-release sport fishing in the waters around the Fewry area. And since we stay in one camp, anglers can focus on fishing without packing up. You can walk upstream and downstream along the gravel banks, or use the rafts to reach untouched eddies, deep pockets, and rocky shelves.

The strong hydraulic pressure and deep pools here create excellent micro-habitats for the predatory Goonch (Giant Devil Catfish), which stay in the dark, low-light undercurrents under the heavy rapids. Even though pollution has made these giant fish much rarer than before, these heavy-water pockets are still their last reliable hiding spots.

A fresh midday lunch will be served on the beach so you can spend more time on the water. In the evening, the team will cook a hot dinner, and the rest of the night is free to relax around a comfortable riverside campfire and talk about the day’s strikes.

Day 3: Rafting at Rasuwaghat (~250 m)

After breakfast, we pack up camp and prepare lunch to carry along the route. Then we launch the rafts back into the main channel of the Sunkoshi. Today’s river run has an intense lineup of major whitewater, including the heavy compression waves of Jaws Rapid (Class IV-) right followed by the powerful, swirling currents of Dead Man’s Eddy. The main technical highlight of the day is navigating the Rhino Rock section (Class IV Legacy rapid).

Note for 2026 Teams: After the massive floods and changing river dynamics in 2025, the iconic rhinoceros-horn boulder was completely swept away, permanently changing the rapid’s shape. Even though the landmark is gone, this section is still a volatile, high-volume rapid that needs smart guide decisions and tight crew work.

Below the rapid, the aquatic environment deepens, creating massive deep-water pools. We will land the rafts at our overnight site at Rasuwaghat, where fishing starts from 3:00 PM onwards. Pushing deep into this canyon helps us leave the more polluted upriver zones behind. We target both the fast-water feeding lines of Mahseer and the muddy depths favored by Goonch. While anglers fish the local eddies, the crew will set up tents and prepare snacks and dinner.

Overnight

Rasuwaghat Beach Tented Camp

Day 4: Rafting at Waterfall Camp

We will have breakfast at our campsite at Rasuwaghat. Then, we will pack up and raft towards Waterfall Camp. We will continue rafting down the river and enter tropical vegetation. The Sunkoshi becomes narrower, and we will pass through a region referred to as the “Jungle Corridor,” which is characterized by continuous rapids.

As we move ahead, we come across a series of unspoiled and serene waterfalls. Today’s camp will be near the Waterfall by the side of the Sunkoshi. Fishing shall commence at 3 p.m. onwards (depending on the weather and distance covered). Once again, we will conclude the adventurous day with an afternoon of fishing and enjoying the peaceful riverside setting.

Overnight

Waterfall Beach Tented Camp

Day 5: Angling at Waterfall Camp

After breakfast, we spend another full day of catch-and-release fishing at our Waterfall Camp. The calm setting and clean waters make it a perfect place for fishing and relaxing. The deep, sun-shielded canyon pockets and huge underwater boulders give great cover for trophy-sized Goonch to ambush prey from the bottom, while the churning white-water seams offer classic fly and lure water for Mahseer. You will have dinner at camp and spend another night at Waterfall Camp.

Overnight

Waterfall Beach Tented Camp (Second Night)

Day 6: Rafting to Tribeni

After breakfast and packing up our riverside camp, we launch for our final major rafting stretch down to Tribeni, carrying our lunch to eat between the rapids. The volume of the Sunkoshi is much calmer here, so the paddle is more relaxed through smaller wave trains. But the river still has two final exciting whitewater features: the heavy, surging holes of Big Dipper (Class IV) followed right away by the turbulent currents of Black Hole (Class III). Soon after, the river opens up dramatically as the massive Arun and Tamur rivers meet at the sacred Tribeni confluence, forming the huge Sapta Koshi trunk.

This huge confluence creates a legendary aquatic ecosystem: the meeting of three major river systems causes a big collision of water temperatures, currents, and nutrients, making Tribeni one of the most biodiverse and historically productive fishing zones in Nepal. While regional environmental strains mean anglers must work harder and be more patient than in the past, the raw scale of this confluence gives you the best shot at a legendary, deep-water Mahseer or Goonch.

We will land at our secluded beach camp at Tribeni, where fishing starts from 3:00 PM onwards. Our team will prepare a celebratory final wilderness dinner while you fish the confluence or relax on the wide sands.

Overnight

Tribeni Confluence Tented Camp

Day 7: Departure to Chatara & Return

After an early breakfast at the confluence, we load the rafts for a short, scenic 45-minute to 1-hour paddle down the wide gravel flats of the Sapta Koshi to reach our final take-out point at Chatara. At the beach, we do our final pack-up of the expedition gear. From Chatara, guests can choose their preferred way to return:

  • Standard Overland Return: Board our private transport for the drive back to Kathmandu along with the river crew and equipment, passing through rural towns and valleys.
  • Alternative Flight Option: Take a short on-road transfer from Chatara to the airport in Biratnagar to catch a fast, convenient flight back to Kathmandu (Note: Flight tickets and airport transfer are subject to additional costs and should be requested at booking).

Water Duration

45 mins - 1 Hour

Take-Out

Chatara Ghat

Necessary Gears for Sunkoshi Fishing

  • Shorts / ½ pant
  • Sport Sandals
  • Shirts that will dry quickly
  • Swim suit
  • Warm layers (fleece, trousers)
  • Towel
  • Toiletries
  • Sunscreen
  • Sunglasses
  • Camera and batteries/chargers
  • Water Bottles
  • Flashlight
  • A little cash

What’s Included

  • Professional, English-speaking licensed guides are highly trained and safety-certified to international standards in Whitewater River Guiding, Swiftwater Rescue, and Wilderness First Aid.
  • Professionally trained and certified safety kayakers.
  • Gear raft support.
  • Quality rafting and kayaking equipment, including boats, kayaks, helmets, paddles, PFDs, dry bags, and Pelican boxes.
  • Accommodation in a camp and all necessary facilities, including two-man tents, shelters, simple mattresses, toilet tents, etc.
  • Treated drinking water.
  • Two-way transportation by local deluxe bus (private bus arranged depending on group size). Optional domestic flight from Biratnagar to Kathmandu and airport transfer are available at an additional cost.
  • River permits.
  • Industry-standard first aid kits.
  • Team photos (photos and videos by our team)
  • Included meals
    • Day 1 = Lunch & Dinner
    • Day 2- 6 = Breakfast, Lunch & Dinner
    • Day 7 = Breakfast, Lunch

Types of food provided

Throughout our expedition, we provide treated stream water for drinking. We employ crews with great culinary ability and provide breakfast, lunch, and dinner during the expedition in a buffet style. So, yes, you’re free to choose what you like. If you have special dietary needs, please let us know about them at the time of booking, so that we can arrange accordingly.

Sample menu for the expedition:

  • Breakfast: Tea, Coffee, Hot chocolate, Muesli and Cornflakes, Yogurt. Eggs, Toast, Hashed potatoes, Pancakes, Porridge, etc.
  • Lunch: Bread, Cheese, Salami, Tuna, Sardines, Baked beans, Salads, Fresh fruits, and Biscuits
  • Dinner: Pasta, French fries, Curries, Steamed or Fried vegetables. We may provide Nepali Dal Bhat in rotation for longer trips.

What’s Not Included

  • Visas, flights, other taxes, etc.
  • Personal items like toiletries, clothing, cameras, etc.
  • Personal Gear & Equipment: All technical angling gear (rods, reels, lines, terminal tackle, lures), specialized river wading footwear, personal clothing, dry bags, cameras, and electronics.
  • Alcohol and other packaged foods.
  • Insurance policy: Paddlers need to have their own insurance, as we only provide insurance for our crew.
  • Tips for guides – we pay our guides and porters fairly, but if you want, you can tip them personally.
  • City Hotel Accommodation (can be arranged at an additional cost; however, please let us know your hotel preferences, meal plan requirements, and preferred sharing basis in advance)
  • Optional Domestic Flight (can be arranged at an additional cost)

Why is Sunkoshi an Ideal Destination for Fishing?

Sunkoshi is an ideal destination for Fishing for several reasons. This is because of its fishing port and other experiences like river rafting, cultural immersion, natural beauty exploration, and camping.

The following are the details you need to know about why Sunkoshi is just the destination you need to consider for Fishing with your friends and family:

  • Family-friendly fishing opportunities: The Sunkoshi River is best for families looking for a fishing experience. The river consists of various species of snow trout, Catfish, Goonch, Mahseer, and Copper. You can prepare a tasty fish meal after you’re done hunting. Or, our representative will help you make a good meal from the fish you’ve caught.
  • Local culture experience: The locals’ hospitality around the Sunkoshi River is worth your while as a traveler. You can learn about the traditional lifestyle of people living there. If you interact enough, you can also befriend the locals and get deeper insights about their culture.
  • Camping: You can have a campfire in the evening in Sunkoshi. The ambiance of the surroundings around the river is peaceful and full of natural beauty and freshness. When you’re camping, you can not only get to experience an authentic outdoor vibe at night but also enjoy barbecued meat and veggies with drinks in a family and friends setting.
  • White water experience: When taking the rafting trip, you can get the white water experience in Sunkoshi, a tributary of the Saptakoshi River channel. Moreover, the Sunkoshi water raft is one of the world’s most impressive and wholesome.
  • Safety: Since whitewater rafting professionals have vetted the Sunkoshi fishing excursions, they are safe for first-time rafters. It’s safe for your physical well-being, and it is also secure and a short trip for busy travelers.

A Beginner’s Guide to Fishing in the Sunkoshi River

  • Travel with a tour operator: If you’re a beginner, it would be best to travel with a tour operator. They will guide you through each journey step, from when you commute from one place to another, beginning to end, going fishing, to the time you set up your camps, roam around the landmarks, or make the most of your trip.
  • Take precautions: You need to take precautions before you go Fishing, especially if you are with children. Fishing in Nepal is traditional, so you can connect with local fishermen; if you meet them, learn a few valuable tips, or ask your guide.
  • Go on a forest and small village exploration: A one-day short trip fit for every traveler can take you to the forests and small villages close to the Sunkoshi River, where you will camp and raft.
  • Train a little: You need to train a little and learn about Fishing before you go for it. You should view a few tutorial videos beforehand.

Koshi Native Ichthyofauna Profile & Angling Reality

Historical data from the FAO Coldwater Fisheries of Nepal Assessment shows that while the large Koshi River network supports many diverse, migratory cold-water species, modern fish numbers and where they are found have changed a lot. Likewise, new field tracking published in the NARC National Fish Conservation Proceedings notes that damage to upriver habitats, farm runoff, and past netting have caused wild predatory fish numbers to drop sharply. Because of this, sport fishing here needs a lot of patience and very precise technique.

Here’s the list of fish species found in the Sunkoshi River during the Nepal fishing tour at Sunkoshi River:

1. Golden Mahseer (Tor putitora)

  • Scientific status & vulnerability: This fish is officially listed as endangered. It is a migratory cyprinid. The Tor genus has long been known as a top native sport fish across the Koshi drainage basin, according to FAO Fisheries Development Directorate Baselines.
  • Habitat profile & angling reality: Because the main river has heavy silt and upriver pollution, big, trophy-sized Mahseer are very rare and picky. They hardly ever swim over open mud-bottom flats. Thus, anglers must fish in very specific, highly oxygenated spots where cleaner water enters, especially the fast gravel tail-waters below rapids and the mixing zones where clean wilderness tributaries or waterfalls meet the main river.

2. Copper / Chocolate Mahseer (Neolissochilus hexagonolepis)

  • Scientific status & vulnerability: Locally called Katle, this native fish is tougher and more stable in Nepal’s mid-elevation hill areas than the Golden Mahseer. It consistently shows up as a stable part of catch data in mid-hill river systems (FAO Zoo-geographical Distribution Survey).
  • Habitat profile & angling reality: Katle do well in the fast-flowing, rocky rapids and medium boulder runs that start right downriver from Fewry Camp (Raighat). They are the reliable, everyday fish for sport fishing on this Sunkoshi fishing trip. They hit hard at metallic spinning spoons, flies, and small lures in heavy seams, giving strong pound-for-pound fights for anglers using medium tackle.

3. Stream Catfishes & Goonch (Bagarius spp.)

  • Scientific status & vulnerability: These belong to the Sisoridae family of specialized torrent catfishes. Bagarius populations are well adapted to the deep bottom layers of the lower Sunkoshi and major Sapta Koshi confluences, as shown in lower-basin catchment surveys.
  • Habitat profile & angling reality: The Goonch is a specialized low-light ambush predator. It stays away from shallow banks and surface currents. To catch one, anglers must drop heavy ground bait and deep lures straight into the dark, high-pressure bottom zones, especially the deep undercut boulder walls and deep hydraulic eddies right under major wilderness waterfalls. They are very hard to find and need special heavy tackle.

4. Snow Trout (Schizothorax richardsonii)

  • Scientific status & vulnerability: Locally called Asla, this cold-water cyprinid is the most common native fish by weight in snowmelt-fed mountain streams across Nepal.
  • Habitat profile & angling reality: They have a special suctorial lower lip made only for grazing algal slime off smooth river rocks. They won’t chase big plugs or predatory lures. But they gather in large numbers where clear mountain streams flow into the warmer main Sunkoshi. This gives a clean, highly technical chance for ultra-light spinning or delicate fly-fishing tactics during camp stops.

Sunkoshi Fishing Trip Package Cost & Customization Options

The base package rate for the guided Sunkoshi Fishing trip at Nepal River Runner is USD 1,699 per person, based on a minimum of 2 participants. For larger groups (3+ people), tiered corporate rates, and private departures, please submit an inquiry directly to our team for custom group-tier discounts.

What’s Included in the Standard Setup

For professional casting control, safety, and smooth rapid navigation, our standard on-water setup follows the Middle Oars 4:1 Raft-to-Fisher system. This means:

  • Each fishing raft is run by a licensed expedition river guide who controls a central oar frame (Middle Oars).
  • Up to 4 anglers per raft. This spacing gives everyone clear casting room and stops lines from tangling during drift-angling.

Custom Options & Tailored Sunkoshi Fishing Packages

If you have a preferred arrangement, such as a 2:1 angler-to-guide ratio for more individual casting time, special fly-fishing platforms, or specific multi-boat layout, please inform us early in the booking process. We are fully equipped to customize and tailor the logistics, raft setups, and kitchen layouts to perfectly align with your team’s specific expedition goals.

What Is the Best Season for Fishing?

The best seasons for fishing on the Sunkoshi River are Autumn (October to November) and Spring (March to May). During these two windows, river volume, water clarity, and fish feeding behavior line up perfectly for sport angling.

Autumn Season (October – November)

After the monsoon, river levels drop, and the water clears up as heavy sediment filters out, restoring essential visibility. As the river cools and clears, migratory species like the Golden Mahseer feed actively in fast-water seams and tributary mixing zones to rebuild energy after the monsoon spawning run. Similarly, weather and logistics are excellent for wilderness camping, with stable conditions, warm daytime temperatures, and minimal rain.

Advantages in short note: Post-monsoon clarity, active Mahseer feeding, stable, warm weather, and low rain risk.

Spring Season (March – May)

Spring falls before monsoon, so water levels are at their lowest and clearest state of the year. This concentrates fish into predictable deep-water pools, boulder eddies, and rapid tail-waters. Also, rising water temperatures trigger aggressive feeding runs for Golden Mahseer and wake up benthic ambush predators like the Goonch catfish in the deep hydraulic pockets. Furthermore, long, sunlit days and warm weather add plus benefits for extended casting sessions and multi-day river expeditions.

Advantages in short note: Lowest water level, clearest water, concentrated fish in deep pools, aggressive Mahseer & Goonch feeding, and long sunny days.

Off-Limits Window: Monsoon (June – September)

The monsoon months are not viable for fishing due to dangerous flood-stage hydraulics, high turbidity (zero water clarity), and extreme debris movement down the river corridor. These conditions make it both unsafe and unproductive for angling.

Packing List and Equipment for Sunkoshi Fishing Trips & Why to Bring Them

Specialized high-quality sport fishing equipment is not available to hire or buy anywhere in Nepal. Unlike trekking gear, there is no high-end shop or rental market for technical predatory angling gear in Kathmandu. This means you must pack and bring 100% of your own personal rods, reels, lines, terminal tackle, and wading footwear from home. If your gear breaks or is not enough on the river, it cannot be replaced locally.

Also remember that since the Sunkoshi has heavy hydraulic pressure and rocky river structures, light-tackle gear will fail. Tackle must be bulletproof. Once you have the right rod and reel, the next most important piece is your line and leader.

Below are the exact specs you need to follow for each type of gear.

  • Rods & Reels (Spinning/Lure): Use 9ft to 11ft medium-heavy spinning rods (rated for 40lb+ mainline; casting weights up to 60g) paired with high-performance 6000-size spinning reels featuring a flawless, minimum 25lb drag system to handle explosive first runs.
  • Rods & Reels (Fly Option): Use 9 to 10-weight fast-action single-handed rods, or 11ft–13ft 7–9 weight two-handed Spey setups equipped with a large-arbor, sealed drag reel holding at least 200 yards of 30lb backing. With your rod and reel sorted, move on to your lines, leaders, and lures.
  • Lines & Leaders: Use 50lb–60lb braided mainline. 5 to 6-foot leaders of 60lb fluorocarbon (essential for abrasion resistance against sharp canyon rocks and Mahseer scales; steel traces are not recommended as they spook visually keen Mahseer).
  • Lures & Flies: Use 4” to 5” sinking minnow plugs (e.g., Rapala J11/J13 in silver/black or gold/black), heavy casting spoons (25g–40g), and weighted tube or intruder-style streamers with reinforced stinger hooks.
  • Terminal Essentials: Carry heavy-duty swivels, split-ring pliers, and a premium multi-tool. All hooks must be barbless or have barbs crimped down to ensure proper ethical catch-and-release handling.

FAQs for Sunkoshi Fishing Trip

No, you don’t need previous fishing experience. But it still helps if you know basic casting. The Sunkoshi is a big, high-volume river, so our river guides handle the navigation and position the rafts to give you access to hidden eddies, deep pockets, and feeding seams. They will actively show you where to cast based on whether you’re targeting surface-feeding Mahseer or bottom-dwelling catfish.

No, fishing gear is not provided. As the Nepal Fisheries Society (NEFIS) states, specialized high-quality sport fishing gear is almost impossible to rent, buy, or replace anywhere in Nepal. All guests must pack and bring 100% of their own rods, reels, lines, terminal tackle, lures, and wading boots. Please follow our Official Packing Guide as outlined above to make sure your gear meets the heavy-duty specs needed to handle the river’s high hydraulic pressure.

Yes, beginners are welcome to join this fishing trip at Sunkoshi River. This trip works well as a wilderness rafting and remote beach camping expedition. But if your main goal is to learn fishing, you must be prepared for the environmental reality. Because of regional pressures, upriver farm runoff, and historic pollution near highway areas, native sport fish in the main river are scarce and picky. It’s a rewarding but technical, high-patience fishery that demands hard work for every strike.

Catch-and-release is not just encouraged, but it’s a mandatory company policy. Iconic native game fish like the Golden Mahseer (Tor putitora) are highly endangered and face severe population pressure across the Koshi drainage basin. Hence, to protect fragile aquatic biodiversity, handle every fish hooked ethically with wet hands, keep it in the water for quick photos, and release it immediately to ensure its survival.