Small northern river near the Spanish border offers intimate spate water where wild brown trout shelter. Quick to respond to rain after dry periods. Good caddis and olive hatches in spring.
- Granite
Water temperature for Brown Trout
Warm — slow22°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 21.5°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots.
Hatch timeline · todayPeak at 6am
Hatch predictions
Today's headline hatch shown — see all 2 active hatches hour by hour with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
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
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2
Yellow SallyHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Brown Trout fly box
A wild brown trout pack for northern and mountain Portugal. River-first, compact, and practical, with nymphs leading and dry flies taking over in the stronger windows.
14-18 · Pattern
Upstream dry, on top
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.
About this water
Water quality (WFD)
- Ecology: Moderate
- Chemical: Unknown
What this classification means
WFD ecological status Good → Moderate corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody PT01MIN0017 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.
WFD classification · PT01MIN0017
The full read · show the working · for Brown Trout · confidence 80%
How the 0 is built — score × weight = contribution
Temperature10 × 28%2.8
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity54 × 12%6.5
Limiting factor: Water temperature (21.5°C) is outside Brown Trout's preferred range (10–16°C)= 56
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
Directions
Seasons & zones
- Trout 1 March → 31 July
Related guides
Booking & contacts
Coura
Small northern river near the Spanish border offers intimate spate water where wild brown trout shelter.
Water temperature for Brown Trout
Warm — slow22°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 21.5°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots.
Hatch timeline · todayPeak at 6am
Hatch predictions
Today's headline hatch shown — see all 2 active hatches hour by hour with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
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
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2
Yellow SallyHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Brown Trout fly box
A wild brown trout pack for northern and mountain Portugal. River-first, compact, and practical, with nymphs leading and dry flies taking over in the stronger windows.
14-18 · Pattern
Upstream dry, on top
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.
About this water
Small northern river near the Spanish border offers intimate spate water where wild brown trout shelter. Quick to respond to rain after dry periods. Good caddis and olive hatches in spring.
- Granite
Water quality (WFD)
- Ecology: Moderate
- Chemical: Unknown
What this classification means
WFD ecological status Good → Moderate corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody PT01MIN0017 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.
WFD classification · PT01MIN0017
The full read · show the working · for Brown Trout · confidence 80%
How the 0 is built — score × weight = contribution
Temperature10 × 28%2.8
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity54 × 12%6.5
Limiting factor: Water temperature (21.5°C) is outside Brown Trout's preferred range (10–16°C)= 56
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
Directions
Seasons & zones
- Trout 1 March → 31 July
Related guides
Booking & contacts