Spate · Mixed · Asturias, Spain

Río Libardón

Río Libardón fishing venue photo
Editorial photo

Libardon at La Riera

Damian Rafferty

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
Poorlive now
Not the day for it
River temperature is the limiting factor today, not the flow. This is not the day to push it. Check the thermal advice above before you head out.
80% confidence
What moved it
  • Level0.90 mLast reading 15h ago
  • Water temp21.5°C
  • ClarityClear
Today’s fly
IC
Ignita CDC16-20
Upstream dry, on top
Conditions on the water
Live gauge
Level
Steady
0.90 m
lowspate
Water temp21.5°C
ClarityClear
Weather23°C
WindNE 14 km/h
Pressure1016 hPa
Rain · recent0.0 mm
Rain · ahead11.6 mm

Live readings — water temperature is an estimate where the gauge does not record it.

Water temperature for brown trout
Warm — slow
22°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 21.5°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots. Otherwise very poor — water clarity is in the right range.
Sub-surface · on the nymphunder the surface

Hatch predictions

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Beyond the hatch · worth watchingambient prey

Hatch predictions

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · July 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.
  • Se requiere licencia de pesca asturiana.
What's coming
Plan ahead
5-day outlook
Water here around 22°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

  • Mixed
  • Confined
  • Cascade
  • Step pool
The full read · show the working · for brown trout · confidence 80%
How the 18 is built — score × weight = contribution
Temperature10 × 28%2.8
Flow40 × 22%8.8
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity37 × 12%4.4
Limiting factor: Water temperature (21.5°C) is outside Brown Trout's preferred range (10–16°C)= 46
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
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