Spate · Limestone Karst · Jaén

Río Madera (Bajo)

Río Madera venue image
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Brown trout in the Jaén sierras are an anomaly — native fish in a landscape that doesn't immediately suggest them, hundreds of miles south of the Cantabrian rivers and the country most people think of when they think of Spanish trout.

Prime · Brown Trout
Klinkhammer · 14-18
Primelive now
About as good as it gets
Low and clear — careful approach country. Take your time — read the water before you cast.
90% confidence
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp15.1°C
  • ClarityClear
Today’s fly
Klinkhammer
Klinkhammer14-18
Proven pattern for this period
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp15.1°C
ClarityClear
Weather27°C
WindNE 10 km/h
Pressure1022 hPa
Rain · recent1.7 mm
Rain · ahead0.0 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

Water temperature for brown trout
Ideal
15°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
Excellent — water temperature is right today, though insect activity could be better.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 12 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
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2
Yellow SallyHatch
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.
  • Junta de Andalucía licence plus trout surcharge required
  • Madera Bajo permitting is locally handled, so confirm the exact current beat rules before travel.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Río Segura (headwaters)
5.0 km
30
Brown trout · Rainbow trout
Río Zumeta
12 km
81
Brown trout
Upper Segura
20 km
Brown trout
Río Borosa
29 km
69
Brown trout
Guadalquivir (upper / Cazorla headwaters)
31 km
Brown trout · Rainbow trout
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

Brown trout in the Jaén sierras are an anomaly — native fish in a landscape that doesn't immediately suggest them, hundreds of miles south of the Cantabrian rivers and the country most people think of when they think of Spanish trout. The Madera Bajo carries them through the upper Segura basin in water that stays cold from the sierra regardless of the season in the valley below. The fish are smaller than their northern counterparts. They are also wilder, and finding them is half of what the fishing is.

  • Limestone karst
The full read · show the working · for brown trout · confidence 90%
How the 83 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity60 × 12%7.2
Conditions total= 83
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
  • Troutdurante los periodos hábiles (check current BOJA) → during the designated open period
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts