Freestone · Limestone · Aragón, ES

Veral

Veral — Huesca (provincia), rápidos 1993 02

A limestone river flowing through the Ansó valley with clear, alkaline freestone character.

Today · Not the day for it
Coch-y-bonddu
Forecast · Today
Not the day for it
Not much stacked in your favour today. Worth an hour if you are nearby, not worth the special trip.
45% projected
Today's fly
Coch-y-bonddu
Coch-y-bonddu
Conditions on the water · Today
Live gauge
Level
Rising
0.11 m
Lifting fast
Water temp16.6°C
ClarityUnfishable
Weather19°C
WindN 22 km/h
Pressure1021 hPa
Rain · recent21.9 mm
Rain · ahead0.8 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
17°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
Poor — water temperature is working for you, but water clarity is the limiting factor today.
Likely species
Caddisflies
Gammarids
Hatch timeline · todayPeak at 11am

12pm(now) — Reed Smut

Stage: On emergersApproach: Emerger or dryActivity: 43%
Also:Pale Watery21%Heather Fly21%
Peak emergence window8 food groups active

Peak activity at 11am — Reed Smut (Reed Smut, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 as a supporter.

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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 · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
2
1
Alpine RhithrogenaHatch
2
3
3
2
Sculpin / Baitfish (Rivers)Hatch
2
3
3
3
3
3
3
3
2
March BrownHatch
2
3
2
Late March BrownHatch
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
Permit required — see local rules.
  • Aragón fishing licence required
  • Named cotos, social cotos, and special high-mountain sections can have different dates, permit allocations, and method rules, so check the current Aragón plan for the exact beat.
What's coming
Plan ahead
5-day outlook
Fishing better nearby · 5
Aragón Subordán
7.0 km
77
Brown trout
Río Salazar
27 km
0
Brown trout
Río Irati
32 km
0
Brown trout
Pyrenean Ibones (high-mountain lakes)
20 km
Brown trout
Río Areta
31 km
Brown trout
Gallery · 2
  1. Veral — Huesca (provincia), rápidos 1993 02
    Huesca (provincia), rápidos 1993 02
  2. Terrain map of the venue
    Terrain map
About this water

A limestone river flowing through the Ansó valley with clear, alkaline freestone character. Compact catchment produces fast spate response. Alpine meadows and limestone geology create pristine habitat. Wild brown trout respond to careful presentation in technical pocket water.

  • Limestone
Water quality (WFD)
  • Ecology: Good
  • Chemical: Unknown
What this classification means

WFD ecological status High → Good corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody ES091MSPF520 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · ES091MSPF520

The full read · show the working · for Brown Trout · confidence 45%
How the 30 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow55 × 22%12.1
Clarity15 × 18%2.7
Feeding Time45 × 13%5.9
Pressure80 × 7%5.6
Insect activity49 × 12%5.9
Limiting factor: Water is very coloured — too coloured for Brown Trout= 60
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
A drop and clear would lift the flow and clarity scores.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout third Saturday of March → 15 October
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts