Spate · Slate · Asturias, Spain

Río Negro

Río Negro fishing venue photo
Poor · Brown Trout
Pardón de Meana · 20-22
Closed season
Out of season. Plenty of other water available now.
Closed — confidence not applicable today.
What moved it
  • Level1.18 mLast reading 19h ago
  • Water temp21.0°C
  • ClarityClear
Today's fly
Pardón de Meana
Pardón de Meana20-22
Upstream dry, on top
Conditions on the water
Live gauge
Level
Steady
1.18 m
Last reading 19h ago
Water temp21.0°C
ClarityClear
Weather20°C
WindSW 25 km/h
Pressure1018 hPa
Rain · recent5.3 mm
Rain · ahead2.6 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Brown Trout
Warm — slow
21°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°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 11am

Hatch predictions

Today's headline hatch shown — see all 5 active hatches hour by hour with Pro.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 with Pro.

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Evidence
Survey-backed · regionalHigh 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
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2
Large StoneflyHatch
2
3
2

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

Ranked for today
Brown Trout fly box
SC
Small Chironomid
22-24 · Pattern
Upstream dry, on top
Beats · 1
Luarca · 1.1 kmC&R trout
C&R trout stretch — Polideportivo de Luarca to Frente a los Alsas, rampa al río.
Beat detail
Daily permit required, all fish returned
Upstream: Polideportivo de Luarca
Downstream: Frente a los Alsas, rampa al río
Luarca beat map
Permits & access
Free state water
State rod licence required for trout / salmon as applicable.
  • Asturian fishing licence required
  • In 2026 many trout waters run to 15 August, but salmon zones, mountain zones, tramos sin muerte, and border stretches can differ
  • Check local coto and tramo rules before fishing.
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 1
Water here around 21°C — probably warm enough to stress Brown Trout . These are likely cooler.
El Arenero (Coto Intensivo, Tineo)
12 km
~20°C
Brown trout · Rainbow trout
Gallery · 3
  1. In the heart of Luarca
    In the heart of Luarca
  2. In the heart of Luarca
    In the heart of Luarca
  3. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Good
  • Chemical: Good
What this classification means

WFD re-coded 2026-06-18: prior id ES018MSPFES197MAR001750 actually identifies the Navelgas/Bárcena — this river was mis-tagged to a neighbouring water body. Re-mapped to ES018MSPFES159MAR001190. Status: EEA WISE 2022 (3rd RBMP). Confidence: medium — VERIFY Negro River I (001190) vs II (001800). Source: discodata.eea.europa.eu.

WFD classification · ES018MSPFES159MAR001190

The full read · show the working · for Brown Trout · confidence 80%
How the 0 is built — score × weight = contribution
Temperature5 × 28%1.4
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity63 × 12%7.6
Limiting factor: Water temperature (21°C) is outside Brown Trout's preferred range (10–16°C)= 57
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.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones

Sea trout: Variable seasonal (2026)

Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts