Freestone · Limestone · Andalucía / Jaén (Sierra Mágina)

Río Guadalbullón

Río Guadalbullón terrain map
Terrain map

A trout river in the lesser-known Sierra Mágina (outside the main Cazorla park).

Species

A proper day on the water

Low and clear — careful approach country. Stay small, stay accurate.

75% confidence in this read
Water temperature for brown trout
Cool — slow
9°C est.ideal 10–16°C
0°14°28°
Why this score · for brown trout
  • Temperature8228% weight
  • Flow6022% weight
  • Clarity9518% weight
  • Feeding Time4013% weight
  • Pressure807% weight
  • Prey Activity3912% weight
Conditions
Level
Dry recently
No gauge reading
Water temp
9.0°C
Estimated
Clarity
Clear
Air temp
12°C
Wind
S 9 km/h
Light breeze
Pressure
1017 hPa
Rain · 48h
0.0 mm
No meaningful rain
Rain · ahead
4.5 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 (39).
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
1
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.

Permits & access
Permit required — see local rules.
  • Junta de Andalucía licence plus trout surcharge required
  • Guadalbullón rules can differ from the main Cazorla office system, so confirm the exact local coto and permit arrangements before travel.
Directions
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About this water

A trout river in the lesser-known Sierra Mágina (outside the main Cazorla park). Limestone mountain water with stocked rainbow beats managed at Cambil. Streamers, attractors, and nymphs work in managed river-pool habitat. Altitude trout at a quieter Sierra. Local permitting differs from Cazorla — confirm locally.

  • Limestone
Seasons & zones
  • Troutlate March / early April → mid-August to mid-September
Other water nearby · 1
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