Limestone · Limestone Karst · Granada

Río Castril

Clear mountain water of the Río Castril near the traditional irrigation channels, Sierra de Castril.
Prime · Brown Trout
Foam Beetle · 14-18
Primelive now
About as good as it gets
River dropping into shape after a lift. The kind of afternoon you remember — a weighted nymph through the clearing seams, the dry as it settles.
90% confidence
What moved it
  • Level0.17 mDropping after lift
  • Water temp16.2°C
  • ClarityClear
Today's fly
Foam Beetle
Foam Beetle14-18
Proven pattern for this period
Conditions on the water
Live gauge
Level
Steady
0.17 m
Dropping after lift
Water temp16.2°C
ClarityClear
Weather26°C
WindN 4 km/h
Pressure1022 hPa
Rain · recent1.9 mm
Rain · ahead3.0 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
Warm — slow
16°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 time of day could be better.
Hatch timeline · todayPeak at 6pm

Hatch predictions

Today's headline hatch shown — see all 11 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 3 with Pro.

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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 · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Brown SedgeHatch
2
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Blue Winged OliveHatch
2
3
3
3
3
2
Mayfly (Green Drake)Hatch
2
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
  • Confirm the exact current coto status and any local method restrictions before travel.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Río Borosa
19 km
Brown trout
Upper Guadalquivir
20 km
10
Brown trout
Guadalquivir (upper / Cazorla headwaters)
26 km
Brown trout · Rainbow trout
Río Zumeta
35 km
Brown trout
Río Madera (Bajo)
39 km
Brown trout
Gallery · 2
  1. Clear mountain water of the Río Castril near the traditional irrigation channels, Sierra de Castril.
    Río Castril
  2. Terrain map of the venue
    Terrain map
The full read · show the working · for Brown Trout · confidence 90%
How the 83 is built — score × weight = contribution
Temperature95 × 28%26.6
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity70 × 12%8.4
Conditions total= 83
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 durante los periodos hábiles (check current BOJA) → during the designated open period
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts