Spate · Mixed · Asturias, Spain

Río Libardón

Río Libardón fishing venue photo

The Libardón runs from the pretty village it gets its name from to the beach at Playa la Griega, swapping trout for mullet along the way.

Poor · Brown Trout
Ignita CDC · 16-20
Closed season
Out of season. Plenty of other water available now.
Closed — confidence not applicable today.
What moved it
  • Level0.90 mLast reading 12h ago
  • Water temp21.2°C
  • ClarityClear
Today's fly
Ignita CDC
Ignita CDC16-20
Upstream dry, on top
Conditions on the water
Live gauge
Level
Steady
0.90 m
lowspate
Water temp21.2°C
ClarityClear
Weather22°C
WindN 7 km/h
Pressure1018 hPa
Rain · recent0.0 mm
Rain · ahead1.1 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 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
Water at 21.2°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 6pm

Hatch predictions

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

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Sub-surface · on the nymphunder the surface

Hatch predictions

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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 · 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
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
Permits & access
Free state water
State rod licence required for trout / salmon as applicable.
  • Asturian fishing licence required.
What's coming
Plan ahead
5-day outlook
Water here around 21°C. Nothing cooler within range — carry a thermometer.
Gallery · 3
  1. Libardon at La Riera
    Libardon at La Riera
  2. Libardon
    Libardon
  3. Terrain map of the venue
    Terrain map
About this water

The Libardón runs from the pretty village it gets its name from to the beach at Playa la Griega, swapping trout for mullet along the way. A short coastal stream — the mountains are not far, the Atlantic is closer, and the fishing is best where the river is still thinking about the hills.

Under the surface

The Libardón descends from limestone-slate mixed Picos country, a spate-responsive river arriving into the eastern network. The upper reaches show step-pool through mixed lithology; the descent is steep. The water carries the blended character of limestone and slate. The middle Libardón opens into partly-confined pool-riffle on mixed cobble. The pools are productive and hold traditional respect. The river's character is of responsive descent from high country. The wading demands attention throughout the upper sections.

Wading: Wet mudstone slabs in headwater gorge

Hatches & food

In the mountain-to-sea trout rivers of Asturias, olives and other mayflies do much of the work in spring whenever levels and colour allow, followed by strong evening caddis and steady buzzer life through early and mid-summer, with terrestrials and mixed surface food from wooded, pastoral banks rounding out the diet whenever flows drop back into safe wading range.

  • Mixed
  • Confined
  • Cascade
  • Step pool
The full read · show the working · for Brown Trout · confidence 80%
How the 0 is built — score × weight = contribution
Temperature12 × 28%3.4
Flow40 × 22%8.8
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity35 × 12%4.2
Limiting factor: Water temperature (21.2°C) is outside Brown Trout's preferred range (10–16°C)= 48
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.
Related guides
Booking & contacts