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Full Day Fonck / Roca Lakes

$650/boat for 2 passengers

Both Lake Fonck and Lake Roca are part of the Manso River Basin. They’re medium-sized water bodies surrounded by lush vegetation. Together with the Middle Manso, they give you the best opportunity on the Manso Basin to hunt for good brown trout. At the height of summer, they offer spectacular dry-fly fishing.

Price: $650

Duration: 9/10 hours

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Both Lake Fonck and Lake Roca are part of the Manso River Basin and share the classic features of the region’s glacial lakes: medium-sized bodies of water surrounded by lush vegetation, with limited access that helps preserve the quality of the fishery. Rainbow Trout and Brook Trout are the most common species, with Brown Trout occasionally appearing in good size. Within Nahuel Huapi National Park, these lakes offer an ideal setting to pursue them. Their geography—whether dense reed beds or forested shorelines—makes having a boat a significant advantage for anglers. Because of their remote location, farther from Bariloche than many other lakes, both usually provide better fishing opportunities. Depending on the time of year and prevailing conditions, one or the other may be prioritized to maximize the day’s success.

Lake Fonck has an elongated shape, divided into two distinct sections: the smaller Fonck Chico and the larger Fonck Grande. Fonck Chico is surrounded by thick reed beds, making fishing possible only from a boat. Fonck Grande, in contrast, offers a wide variety of shoreline structure, from extensive reeds to rocky walls and submerged vegetation, and receives the inflow of two productive streams—the Calote and the Frío.

Similarly, the Roca is bordered by dense coihue forests and abundant aquatic vegetation along its margins. It is fed by three streams—Expedicionarios, Linco, and Felipe—providing diverse structure and highly promising fishing situations.

Both lakes lie in the southwestern sector of Nahuel Huapi National Park, about 37 miles from Bariloche. In midsummer they come alive with the famous Dragonfly Hatch, one of the most thrilling times to fish here, as large trout rise aggressively to smash big, foamy terrestrials such as Fat Alberts, Chernobyl Ants, or realistic dragonfly patterns. Throughout the season, we adjust our gear and techniques to make the most of each outing.

What’s Included
• Transfers to and from the agreed meeting point
• All fishing gear and boat (rods, flies, and wading gear if needed)
• A traditional Argentine lunch featuring steak and Malbec wine
• Refreshments throughout the day (water, soft drinks, and beer)

What’s Not Included
• Fishing license: We can arrange this in advance if needed. Current rates for foreign visitors (2026):
• Day license: USD 30
• Weekly license: USD 90
• Full season license: USD 180
• Gratuities for guides and/or drivers

Both lakes are located about 37 miles from Bariloche. A good part of the journey follows gravel roads, making the drive roughly an hour and a half. We typically meet between 7:00 and 8:00 AM at a designated point in Bariloche before heading to either lake to begin our day.

Once the boat and gear are ready, we fish from about 9:00–10:00 AM until 1:00 PM, when we pause for a well-deserved riverside meal. After lunch, we return to the water and continue fishing until around 4:00–5:00 PM, before heading back to your accommodation or the agreed meeting point.

 

The company arranged a wonderful trip to the Limay River. Aliosha is an excellent guide, very organized and patient. It was my first experience with fly fishing, and I was successful in catching fish (4 trouts) The best part was the beautiful scenery and the overall experience of the trip.
Camila Bertranou
2 weeks ago
We went fly fishing with Tomi Fentini of Fly Fishing Guides Bariloche. He went truly above and beyond. His instruction was incredibly helpful and he was able to give a beginner in an our group a wonderful experience. Fishing with him would be enjoyable even if we skunked. The lunch was unbelievable. In addition, he delivered the goods. He also advised us on fly fishing opportunities elsewhere in Argentina which resulted in the fish of lifetime. I couldn’t recommend him more.
Connor Chao
6 months ago
We had such a great day fishing with Matias' guides. My wife and I had Dante. We also had Tommy and Ali (sp). The guys were amazing, the Limay River is one of the prettiest rivers on the planet. Did I mention the shore lunch!! One of our best meals in Bariloche, and definitely the best view, wine and service.
Mike McBrayer
7 months ago
Had a great day fly fish with Dante on Limay. It was the most beautiful river I have ever been on. My girlfriend and I are both beginners and Dante was very patient with teaching us and getting us to spots to catch fish. We caught 6 rainbows despite just learning and it was a blast. Had a delicious steak lunch on shore. It was one of the best fishing experiences I've experienced. Matias the owner was very responsive with the booking process, everything was smooth.
Allan Pan
10 months ago
Wonderful outfitter! Everything went according to plan and Matias customized all of our trips to meet our needs. My guide Aliosha worked hard to put me on the fish. Spoke excellent English and was very patient. I cannot recommend them enough!
Ed Pruitt
6 months ago

FAQ’s

Frequently Asked Questions

I don’t own fishing gear. Do you provide it?

No worries—we provide everything you need. All equipment is included and tailored to the waters you’ll be fishing, including rods, reels, lines, and flies.

Not at all. Our guides love introducing newcomers to this fascinating sport and will do their best to help you land your first trout on your very first fly-fishing experience. Alternatively, most of the waters we fish are also suitable for conventional spinning gear.

Absolutely. We’re happy to adapt meals to your dietary needs. Just let us know about any preferences or restrictions in advance, and we’ll make sure you enjoy the food as much as the scenery and the fishing.

We provide all fishing equipment, food, and beverages. You should bring:

  • Sunglasses (essential for both safety and comfort while fishing)
  • A warm layer, as Patagonia’s weather can change quickly
  • A hat and sunscreen for sun protection

Of course! They can relax and enjoy the stunning scenery and delicious food. And who knows—after a day surrounded by Patagonia’s beauty, they might even be tempted to give fishing a try.