Freestone · Volcanic Glacial · Aysén

Río Blanco / Coyhaique-area support

Río Blanco / Coyhaique-area support is included in the Phase 1 Patagonia visitor pack for coyhaique aysen.

Species

Closed season

Season reopens 13 November. Plenty of other water available now.

Closed — confidence not applicable today.
Water temperature for brown trout
Cool — slow
6°C est.ideal 10–16°C
0°14°28°
The full read · show the working · for brown trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature39 × 28%10.9
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity33 × 12%4.0
Conditions total= 63
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Conditions
○Regional est.
Level
Dry recently
No gauge reading
Water temp
6.3°C
Estimated
Clarity
Clear
Air temp
2°C
Wind
NW 4 km/h
Calm
Pressure
1013 hPa
Rain · 48h
0.0 mm
No meaningful rain
Rain · ahead
13.6 mm
Moderate rain · next 48h

No gauge on this water — readings are regional estimates from weather, not a live gauge.

How to fish it · for brown trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Through the year
0–3 scale · June highlighted
J
F
M
A
M
J
J
A
S
O
N
D
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Permits & access
Permit required — see local rules.
  • Argentine Patagonian continental permit (or Chilean Sernapesca licence) required
  • Rules vary by province, National Park and reach — confirm annexes before fishing.
Directions
Apple MapsGoogle Maps
About this water

Río Blanco / Coyhaique-area support is included in the Phase 1 Patagonia visitor pack for coyhaique aysen. This record is engine-shaped but still requires reach-level access, gauge and regulation verification before precise condition scoring.

  • Volcanic glacial
Fishing better nearby · 5
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