Freestone · Granite · Norte / Minho

Minho (Upper System)

Minho (Upper System) terrain map
Terrain map

The upper Minho in northern Portugal flows with scale—big water with long runs and broad holding areas where wild brown trout rest.

Good · Brown Trout
Klinkhåmer · 14-16
Goodlive now
A proper day on the water
Low and clear — careful approach country. Stay small, stay accurate.
75% confidence
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp16.9°C
  • ClarityClear
Today’s fly
Klinkhåmer
Klinkhåmer14-16
Upstream dry, in the film
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp16.9°C
ClarityClear
Weather13°C
WindNE 19 km/h
Pressure1025 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

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

Water temperature for brown trout
Warm — slow
17°C est.ideal 1016°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
Good — water clarity is working for you, but time of day is the limiting factor today.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 4 active hatches hour by hour with Pro.

Start free trial

14-day free trial. Cancel anytime.

Evidence
ModelledModerate confidence

Modelled from regional ecology — no survey or occurrence data for this water yet.

Through the year
0–3 scale · July 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
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
Other water nearby · 5
About this water

The upper Minho in northern Portugal flows with scale—big water with long runs and broad holding areas where wild brown trout rest. Cover the likely water methodically with nymphs and seasonal dry flies. Spring into early summer is the prime window before heat tightens the fish.

  • Granite
Water quality (WFD)
  • EcologyModerate
  • ChemicalUnknown
What this classification means

WFD ecological status Good → Moderate corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody PT01MIN0002 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · PT01MIN0002

The full read · show the working · for brown trout · confidence 75%
How the 69 is built — score × weight = contribution
Temperature79 × 28%22.1
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity45 × 12%5.4
Conditions total= 69
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.
Directions
Seasons & zones
  • Trout1 March → 31 July
Related guides
Booking & contacts