Freestone · Mixed · Aragón

Isábena

Isábena venue image
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An eastern Aragonese tributary joining the Ésera system near Beranuy.

Species

A side-water session, not the main event

River steady at a fishable height. A patient day. Fish the cover and stay with it.

75% confidence in this read
Water temperature for brown trout
Cool — slow
6°C est.ideal 10–16°C
0°14°28°
Why this score · for brown trout
  • Temperature3928% weight
  • Flow8022% weight
  • Clarity9518% weight
  • Feeding Time4513% weight
  • Pressure807% weight
  • Prey Activity2912% weight
Conditions
Level
0.63 m
Water temp
6.3°C
Estimated
Clarity
Clear
Air temp
7°C
Wind
NE 11 km/h
Light breeze
Pressure
1016 hPa
Rain · 48h
0.0 mm
No meaningful rain
Rain · ahead
2.5 mm
Light rain · next 48h

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

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 conditions. Clarity is favourable (95), Prey activity is weakest (29).
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
1

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Gallery · 1
  1. Terrain map of the venue
    Terrain map
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.
Directions
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About this water

An eastern Aragonese tributary joining the Ésera system near Beranuy. Mixed geology with limestone influence in lower reaches transitions to granite and slate in upper sections. Good wild-trout populations in the upper valley respond to technical presentation.

  • Mixed
Seasons & zones
  • Troutcheck named Aragón coto or free section → check named Aragón coto or free section
Other water nearby · 5
Booking & contacts