Spate · Granite · Norte / Trás-os-Montes, PT

Corgo / Tâmega Tributaries

Calm reach of the Corgo River reflecting bare winter trees and blue sky, riverside park path in Vila Real, Portugal
Today · Closed season
Stonefly Nymph
Forecast · Today
Closed season
Out of season. Try elsewhere.
45% projected
Today's fly
Stonefly Nymph
Stonefly Nymph
Conditions on the water · Today
Estimate
Level
Light rain recently
No gauge reading
Water temp9.1°C
ClarityUnfishable
Weather16°C
WindN 10 km/h
Pressure1025 hPa
Rain · recent8.5 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
Cool — slow
9°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.
Likely species
Stoneflies
Gammarids
Hatch timeline · todayPeak at 11 Uhr

12 Uhr(now) — Autumn Needle Fly

Stage: Creeping nymphsApproach: Heavy nymphActivity: 51%
Also:Iron Blue26%Black Midge22%
Peak emergence window4 food groups active

Peak activity at 11 Uhr — Autumn Needle Fly (Autumn Needle Fly, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 4 guilds as a supporter.

Start free trial

14-day free trial. Cancel anytime.

Evidence
Survey-backed · regionalHigh confidence

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

Through the year
0–3 scale · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2
Large StoneflyHatch
2
3
2
Olive UprightHatch
2
3
3
2

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

Ranked for today
Fly box · Brown Trout
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
Paiva
52 km
0
Brown trout
Teixeira
23 km
Brown trout
Bestança
35 km
Brown trout
Venda Nova
45 km
Brown trout
Alto Rabagão
50 km
Brown trout
Gallery · 2
  1. Calm reach of the Corgo River reflecting bare winter trees and blue sky, riverside park path in Vila Real, Portugal
    The Corgo River at Parque Corgo, Vila Real
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Poor
  • Chemical: Unknown
What this classification means

WFD ecological status Bad → Poor corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody PT03DOU0359 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · PT03DOU0359

The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time45 × 13%5.9
Pressure80 × 7%5.6
Insect activity44 × 12%5.3
Conditions total= 75
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 March → 31 July
Related guides
Euro Nymphingsubsurface methods
Booking & contacts