Río Aluminé is included in the Phase 1 Patagonia visitor pack for junin san martin. This record is engine-shaped but still requires reach-level access, gauge and regulation verification before precise condition scoring.
- Volcanic
Closed season
Season reopens 1 November. Plenty of other water available now.
Closed — confidence not applicable today.
Live now
Conditions on the water
Trends shown where the gauge supports them
○Regional est.
Level
Dry recently
No gauge reading
Water temp
11.8°C
Estimated
Clarity
Clear
Air temp
10°C
Wind
N 3 km/h
Calm
Pressure
1016 hPa
Rain · 48h
0.0 mm
No meaningful rain
Rain · ahead
4.1 mm
Light rain · next 48h
No gauge on this water — readings are regional estimates from weather, not a live gauge.
How to fish · for brown trout
The brief
When · where · method · kit
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.
Hatches & runs
What's on, when
Twelve months at a glance
Through the year
0–3 scale · June highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
2
2
2
2
1
1
2
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.
Today's fly · curated pack
Top pattern + the box
6 patterns from this venue's curated pack
Detail · next 12h
Water temperature & rain
The two readings most likely to move the verdict
Water temperature for brown trout
Ideal12°C est.ideal 10–16°C
0°14°28°
The full read
Show the working
How the score is built · what we trust
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity55 × 12%6.6
Conditions total= 83
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
About this water
Río Aluminé, end to end
Field guide · contributor-editedRío Aluminé · about
What this water is
Background · character · contributors
About this water
Río Aluminé · directions
How to get to the water
Directions
Río Aluminé · zones
Where the rules change
Seasons · zones · per-species rules
Seasons & zones
- Trout1 November → 31 MayC&R
Río Aluminé · permits
Good to know
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.
Río Aluminé · learn
Related guides
Learn-zone playbooks for this water
Related guides
Río Aluminé
Río Aluminé is included in the Phase 1 Patagonia visitor pack for junin san martin.
Species
Closed season
Season reopens 1 November. Plenty of other water available now.
Closed — confidence not applicable today.
Water temperature for brown trout
Ideal12°C est.ideal 10–16°C
0°14°28°
The full read · show the working · for brown trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity55 × 12%6.6
Conditions total= 83
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Conditions
○Regional est.Level
Dry recently
No gauge reading
Water temp
11.8°C
Estimated
Clarity
Clear
Air temp
10°C
Wind
N 3 km/h
Calm
Pressure
1016 hPa
Rain · 48h
0.0 mm
No meaningful rain
Rain · ahead
4.1 mm
Light rain · next 48h
No gauge on this water — readings are regional estimates from weather, not a live gauge.
Evidence
ModelledModerate confidence
Modelled from regional ecology — no survey or occurrence data for this water yet.
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
Trout seasonSeason
2
2
2
2
1
1
2
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
About this water
Río Aluminé is included in the Phase 1 Patagonia visitor pack for junin san martin. This record is engine-shaped but still requires reach-level access, gauge and regulation verification before precise condition scoring.
- Volcanic
Seasons & zones
- Trout1 November → 31 MayC&R
Fishing better nearby · 5
Related guides