Freestone · Granite · Norte / Braga / Gerês

Cávado (Upper / Gerês)

Cávado (Upper / Gerês) — Albufeira da Barragem do Alto Cávado - Portugal
Poor · Brown Trout
Parachute Adams · 14-18
Closed season
Out of season. Plenty of other water available now.
Closed — confidence not applicable today.
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp22.1°C
  • ClarityClear
Today's fly
Parachute Adams
Parachute Adams14-18
Upstream dry, on top
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp22.1°C
ClarityClear
Weather24°C
WindSW 6 km/h
Pressure1021 hPa
Rain · recent0.0 mm
Rain · ahead0.2 mm

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

Water temperature for Brown Trout
Warm — slow
22°C est.ideal 10–16°C
0°14°28°
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.
Why this works
Water at 22.1°C. This is the line where catch-and-release kills brown trout. Do not fish for them today.
Hatch timeline · todayPeak at 6pm

Hatch predictions

Today's headline hatch shown — see all 8 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 2 with Pro.

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Evidence
Survey-backed · regionalModerate confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
Large Dark OliveHatch
1
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1
Autumn OliveHatch
1
2
1
GrannomHatch
1
1

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

Ranked for today
Brown Trout fly box
SB
Small Beetle
14-18 · Pattern
Upstream dry, on top
SS
Small Streamer
6-10 · Pattern
Swing, sub-surface
Permits & access
Permit required — see local rules.
  • Licença de Pesca Desportiva (Portuguese fishing license)
  • Regional variation; consult local authorities.
What's coming
Plan ahead
5-day outlook
Water here around 22°C. Nothing cooler within range — carry a thermometer.
Gallery · 2
  1. Cávado (Upper / Gerês) — Albufeira da Barragem do Alto Cávado - Portugal
    Albufeira da Barragem do Alto Cávado - Portugal
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Good
  • Chemical: Unknown

WFD classification · PT02CAV0075

The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature6 × 28%1.7
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity60 × 12%7.2
Limiting factor: Water temperature (22.1°C) is outside Brown Trout's preferred range (10–16°C)= 55
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 March → 31 July
Related guides
Euro Nymphingsubsurface methods
Booking & contacts