Freestone · Mixed · Aragón, ES

Isábena

Stone arch bridge over the Isábena river with rocky riverbed, Huesca, Aragón
Good · Brown Trout
Grasshopper Pattern · 10-14
Goodlive now
A proper day on the water
Low and clear — careful approach country. Stay small, stay accurate.
90% confidence
What moved it
  • Level0.22 mLast reading 2h ago
  • Water temp12.6°C
  • ClarityClear
Today's fly
Grasshopper Pattern
Grasshopper Pattern10-14
Proven pattern for this period
Conditions on the water
Live gauge
Level
Steady
0.22 m
Last reading 2h ago
Water temp12.6°C
ClarityClear
Weather19°C
WindSW 6 km/h
Pressure1026 hPa
Rain · recent0.0 mm
Rain · ahead0.0 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
Ideal
13°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
Good — water temperature is right today, though insect activity could be better.
Likely species
Gammarids
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 12 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Supporters see what else is on the menu.

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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 · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
2
1
Evening SedgeHatch
2
3
3
3
2
Alpine RhithrogenaHatch
1
2
2
1
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
2
2
2
2
1

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.
  • 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
Other water nearby · 5
Ésera
21 km
0
Brown trout
Noguera Ribagorzana
22 km
80
Brown trout
Noguera de Tor
32 km
77
Brown trout
Cinca
39 km
Brown trout
Río Flamisell
41 km
0
Brown trout
Gallery · 2
  1. Stone arch bridge over the Isábena river with rocky riverbed, Huesca, Aragón
    The Isábena river near La Puebla de Roda, Aragón
  2. Terrain map of the venue
    Terrain map
The full read · show the working · for Brown Trout · confidence 90%
How the 79 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity55 × 12%6.6
Conditions total= 79
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 dritter Saturday im March → 15 October
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts