Freestone · Limestone · Aragón

Ara

Ara venue image
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A premier limestone gorge river flowing from Ordesa National Park headwaters through dramatic Alpine valleys.

Good · Brown Trout
Klinkhammer · 14-18
Goodlive now
A proper day on the water
Low and clear — careful approach country. Stay small, stay accurate.
75% confidence
What moved it
  • Level0.36 m
  • Water temp16.5°C
  • ClarityClear
Today’s fly
Klinkhammer
Klinkhammer14-18
High-confidence seasonal pick
Conditions on the water
Live gauge
Level
Steady
0.36 m
Water temp16.5°C
ClarityClear
Weather18°C
WindN 6 km/h
Pressure1023 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

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

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
Good — water clarity is right today, though time of day could be better.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 8 active hatches hour by hour with Pro.

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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
Alpine RhithrogenaHatch
2
3
3
2
Sculpin / Baitfish (Rivers)Hatch
2
3
3
3
3
3
3
3
2
March BrownHatch
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
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
Lac des Especières
15 km
Brown trout
Río Gállego
18 km
39
Brown trout
Cinca
25 km
Brown trout
Embalse de Arguis (Río Isuela coto deportivo)
40 km
Rainbow trout · Brown trout
Gave du Marcadau
43 km
Brown trout · Grayling
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

A premier limestone gorge river flowing from Ordesa National Park headwaters through dramatic Alpine valleys. Clear alkaline freestone water tumbles through limestone formation, holding wild browns in technical pocket and pool structure. Alpine character demands careful presentation and strong wading skills. Ordesa scenery is spectacular.

  • Limestone
Water quality (WFD)
  • Ecology: Good
  • Chemical: Unknown

WFD classification · ES091MSPF761

The full read · show the working · for brown trout · confidence 75%
How the 79 is built — score × weight = contribution
Temperature88 × 28%24.6
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time45 × 13%5.9
Pressure80 × 7%5.6
Insect activity65 × 12%7.8
Conditions total= 79
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Troutcheck named Aragón coto or free section → check named Aragón coto or free section
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts