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Chinook salmon
King of the south

Chinook salmon

The Chinook salmon is a freshwater fish of the salmonid family, considered the largest of the Pacific salmon.

Out of season · starts in February
Which species?
Where?
Oncorhynchus tshawytschaPeak seasonMARSIZE5–15 kgFOUND IN10 spots
Where to fishSeasonBait & tackleClosed seasonFAQ

Where to fish

Guides for chinook salmon

Dan Leandro Pereira Fresone
Ubicación: Río Grande, Tierra del Fuego
USD 350 / day
E
El Tropezon
Fishing guide
Ask
K
Krys Tob
Fishing guide
Ask
E

Season

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
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King of the south

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Habitat

The Chinook is a fish of cold, well-oxygenated waters. In its river phase it seeks stretches of firm current, deep pools at the foot of riffles, confluences, eddies behind large boulders, and the tailouts of pools where the water speeds up. During the reproductive migration, adults hold in these structures to rest between stretches of the ascent, and that is where the angler finds them.

In Argentina it is associated mainly with Patagonia: rivers of the Atlantic watershed of southern Santa Cruz and mountain and foothill systems of Neuquen, Rio Negro, and Chubut, as well as environments linked to large Patagonian lakes and reservoirs where the species managed to establish itself. It prefers clean, cool water with good flow and gravel on the bed —conditions it needs to spawn— so it performs better in the middle and upper stretches of the rivers than at muddy mouths.

Timing rules this fish completely. The key window is late summer and autumn —February, March, and April—, when the reproductive runs occur and the concentrated adults ascend the rivers. Outside that window the Chinook is much harder to find in fresh water, which makes seasonal planning as important a factor as the gear or the technique.

Baits and lures

Since during the run the Chinook barely feeds and strikes out of aggression, the key is to provoke a reaction with visible, noisy, or vibrating presentations. What works best in Patagonia:

  • Heavy wobbling spoons: with good weight to work the bottom in current. Strong colors (silver, copper, orange, chartreuse, red) that flash and trigger the territorial strike.
  • Large spinners: the vibration of the blade provokes responses even from fish that are not feeding.
  • Deep-diving plugs / minnows: with a pronounced, noisy action, effective in pools and riffles.
  • Saltwater flies and large, showy streamers: bulky, colorful patterns (orange, pink, chartreuse, black) and intruder-style patterns for the fly angler; they work through visual provocation.
  • Roe and egg presentations where the method and provincial regulations allow it: it is one of the classic natural baits for salmonids on the run, closely tied to their reproductive instinct.

Practical guide rule: in clear, low water, more natural and metallic tones; in colored water or under overcast skies, fluorescent colors and large silhouettes. And always prioritize enough weight to reach the zone where the fish is resting, near the bottom.

Recommended gear

The gear has to be up to a fish that can exceed 15-20 kg and that fights with powerful runs in current. Concrete recommendations:

Spinning:

  • Rod: medium-fast action and medium to medium-heavy power (line rating approximately 15-30 lb / 8-15 g or more depending on the lure), 2.10 to 2.70 m to have backup in the fight and good casting.
  • Reel: robust spinning reel in size 4000-6000, with a progressive, reliable drag and good line capacity (the Chinook's runs are long).
  • Line: braided multifilament of 20-40 lb as the main line for its strength and sensitivity, ideal for working heavy lures in current.
  • Leader: fluorocarbon of 0.40-0.60 mm (approx. 20-40 lb) to absorb contact with rocks and gravel and resist the abrasion of the fight.

Fly:

  • Rod: #8 to #10 line (for wide rivers, two-handed / spey outfits #7-#9 two-handed).
  • Reel: with generous backing (150-200 m) and a strong, smooth disc drag.
  • Line: sinking or sink-tip to get large streamers down to the fish's zone, with a suitable strong leader.

Accessories: strong, well-sharpened hooks, pliers for unhooking, a wide rubber net to protect the fish on release, and good waders with grippy-soled footwear to move safely in rivers of firm current and rocky bottom.

Fishing techniques

The Chinook is fished mainly by spinning and with the fly, seeking to provoke the strike of fish that are in full run and not feeding. The logic is always the same: present the lure close to the fish, at the water depth where it rests, and make it pass by insistently.

Spinning (the most widespread method):

  1. Locate the structure: deep pools, the foot of riffles, confluences, and pool tailouts.
  2. Use heavy spoons or spinners to touch the bottom or work near it.
  3. Cast upstream or across and let the lure drop with the current, retrieving just enough to keep it working near the bed.
  4. Persist: you have to "warm up" the fish. Many strikes come after several passes over the same spot.

With the fly:

  • Sinking line or sink tip and large, colorful streamers.
  • The swing technique: cast across, let the fly cross the current in an arc, and keep it under tension; the take usually comes at the end of the swing.
  • Two-handed (spey) outfits help a lot on wide rivers with firm flow.

Guide tips:

  • Timing: the early morning hours and dusk tend to be the most active moments; with flat light or overcast skies the fish is more willing all day long.
  • The Chinook fights deep and makes long runs: let the drag do its work, don't force it at the start, and follow the runs.
  • Strong, well-sharpened hooks: the Chinook's mouth is hard and the fights demanding.
  • Patience and water coverage: it is about finding fresh fish from the run and passing the lure by them many times.

Closed season & regulations

Closed seasons, minimum size and bag limits for chinook salmon are set by each province and change every year. The current rule is on each spot's page: confirm it before heading out.

Read the full note

Chinook salmon fishing is subject to provincial regulations, and it is the angler's responsibility to know and respect them before heading out. In practice this involves three things that change depending on the province, the environment, and the year: the closed seasons (periods and zones where fishing is prohibited or where special restrictions apply), the minimum sizes, and the catch limits.

Why the closed season exists: the closed season protects the reproductive stage. The Chinook ascends the rivers precisely to spawn, and disturbing or removing fish in full run and over the spawning grounds compromises reproduction. That is why many jurisdictions establish seasonal or river-stretch restrictions, and in several Patagonian environments there is a strong culture of catch & release and careful handling of the fish: wetting your hands, keeping it in the water, minimizing time out of the water, and using barbless hooks when appropriate.

Important and honest: the closed-season dates, minimum sizes, and catch limits vary by province and are updated every season, and they are not part of a single figure that can be published generally and reliably here. Before you go, always consult the official provincial authority —the Directorate of Wildlife, Fisheries, or Natural Resources of the corresponding province (for example Neuquen, Rio Negro, Chubut, or Santa Cruz)— and obtain the current fishing permit. The official regulations for each season are the only valid source: don't rely on dates from memory or on what applied last year.

Shops & clubs in the area

R
Rios Grandes Fly Fishing Trips
T
Tecno Fishing
N
Náutica Huillin
C
Calafate Fishing
G
Gitano MDV

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Frequently asked questions about chinook salmon

Can you fish for Chinook salmon right now, in October?

In October chinook salmon is out of season. Its best time is mar. Being out of season does not mean there is a closed season: that is set by each province and shown on every spot page.

What's the best time to fish Chinook salmon?

The best time for chinook salmon is mar. Check each place's page for the bite calendar and to respect current closed seasons.

Where can you fish Chinook salmon in Argentina?

Some of the best places to fish chinook salmon are Río Futaleufú, Río Pico, Embalse de Alicurá, Lago Argentino. On PESQA you get the map, access info, seasons and verified guides for each one.

Which provinces have Chinook salmon?
El Nono
Fishing guide
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Las Lavandas
Fishing guide
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The Chinook salmon (Oncorhynchus tshawytscha) is a freshwater fish (anadromous in its natural cycle) of the salmonid family, considered the largest of the Pacific salmon and one of the most prized sport-fishing targets in Argentine Patagonia. In our waters it is also known as king salmon, and specimens between 5 and 15 kg are common, with catches exceeding 20 kg. Its combination of size, power, and explosive runs made it an icon of sport fishing in the south of the country.

It is an introduced species that, following stockings and escapes from salmon farming in Chile, colonized much of the Patagonian watershed in the wild. Today it stars in one of the most remarkable phenomena of South American fishing: reproductive migrations (the so-called runs) in which adults leave the sea or the great lakes and ascend the rivers to spawn, dying after reproduction as is typical of the genus Oncorhynchus.

Its behavior defines how it is fished. During the run, the Chinook stops feeding actively and strikes lures and baits more out of territorial aggression and reflexive response than hunger. It is a fish that seeks the coldest, most oxygenated stretches of firm current in the river, and during its reproductive stage it develops the dark coloration and hooked jaw (the "kype") characteristic of mature males.

In Argentina, its most established presence and the one most sought after by anglers occurs in the rivers that empty into the South Atlantic of Patagonia and in mountain systems of southern Neuquen, Rio Negro, Chubut, and Santa Cruz. It is a fishery with a narrow season, closely tied to the window of the late-summer and autumn runs, which makes it almost a pilgrimage event for those who pursue it.

Best places

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Río Futaleufú
Chubut · 18 guides
Embalse de Alicurá
Río Negro
Lago Argentino
Santa Cruz
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Lago Buenos Aires
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Lago Pueyrredón
Santa Cruz
Lago Viedma
Santa Cruz
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río de Las Vueltas
Santa Cruz
Río La Leona
Santa Cruz
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Río Pico
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Río Santa Cruz
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Fish for chinook salmon by province
Chinook salmon in Santa CruzChinook salmon in ChubutChinook salmon in Río Negro
  • In season
  • Peak
  • The season runs from February to April
    Peak activity in mar. Check the regulations and closed seasons in each province before heading out.
    Bronze · 1 catch
  • Silver · 5 catches at 2 spots
  • Gold · 12 catches at 4 spots and 2 provinces
  • Start your collection→See the Pesquedex showcase
    T
    Turismo Náutico Villa La Angostura

    PESQA lists spots with chinook salmon in Santa Cruz, Chubut, Río Negro.

    What bait is used for Chinook salmon?

    Since during the run the Chinook barely feeds and strikes out of aggression, the key is to provoke a reaction with visible, noisy, or vibrating presentations. What works best in Patagonia: - Heavy wobbling spoons : with good weight to work the bottom in current. Strong colors silver, copper, orange, chartreuse, red tha

    See the other 10 questionsShow less
    What gear is used to fish Chinook salmon?

    The gear has to be up to a fish that can exceed 15-20 kg and that fights with powerful runs in current. Concrete recommendations: Spinning: - Rod : medium-fast action and medium to medium-heavy power line rating approximately 15-30 lb / 8-15 g or more depending on the lure , 2.10 to 2.70 m to have backup in the fight a

    How do you fish for Chinook salmon?

    The Chinook is fished mainly by spinning and with the fly , seeking to provoke the strike of fish that are in full run and not feeding. The logic is always the same: present the lure close to the fish, at the water depth where it rests, and make it pass by insistently. Spinning the most widespread method : 1. Locate th

    Who can take me fishing for Chinook salmon?

    PESQA lists 9 guides working spots with chinook salmon, among them Dan Leandro Pereira Fresone, El Tropezon, Krys Tob. Each has a page with services, area and contact details.

    Where do you look for Chinook salmon in the water?

    The Chinook is a fish of cold, well-oxygenated waters. In its river phase it seeks stretches of firm current, deep pools at the foot of riffles, confluences, eddies behind large boulders, and the tailouts of pools where the water speeds up. During the reproductive migration, adults hold in these structures to rest betw

    Is there a closed season, minimum size or bag limit for Chinook salmon?

    Chinook salmon fishing is subject to provincial regulations , and it is the angler's responsibility to know and respect them before heading out. In practice this involves three things that change depending on the province, the environment, and the year : the closed seasons periods and zones where fi Regulations are set by each province and change every year: confirm the current one before heading out.

    How big does Chinook salmon get?

    5–15 kg

    What does chinook salmon look like?

    The Chinook salmon Oncorhynchus tshawytscha is a freshwater fish anadromous in its natural cycle of the salmonid family, considered the largest of the Pacific salmon and one of the most prized sport-fishing targets in Argentine Patagonia. In our waters it is also known as king salmon, and specimens between 5 and 15 kg

    Is Chinook salmon a freshwater or saltwater species?

    Chinook salmon is a freshwater species: rivers, lagoons and reservoirs.

    When is the worst time to go after Chinook salmon?

    Outside mar the bite for chinook salmon slows down. The weakest months are may–jan.

    What is the scientific name of Chinook salmon?

    The scientific name of Chinook salmon is Oncorhynchus tshawytscha.

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