Freestone · Schist Metamorphic · Andalucía / Granada (Sierra Nevada), ES

Río Lanjarón

Río Lanjarón — Río Lanjarón river (DSCF5984)
Poor · Brown Trout
Woolly Bugger · 10-12
Poorlive now
Not the day for it
River temperature is the limiting factor today, not the flow. This is not the day to push it. Check the thermal advice above before you head out.
90% confidence
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp22.6°C
  • ClarityClear
Today's fly
Woolly Bugger
Woolly Bugger10-12
Proven pattern for this period
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp22.6°C
ClarityClear
Weather28°C
WindS 10 km/h
Pressure1019 hPa
Rain · recent0.0 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
Warm — slow
23°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
Water at 22.6°C. This is the line where catch-and-release kills brown trout. Do not fish for them today.
Hatch timeline · todayPeak at 6pm

Hatch predictions

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 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
Trout seasonSeason
1
2
1
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
2
2
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1

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.
  • Se requiere licencia de la Junta de Andalucía
  • En las cabeceras de Sierra Nevada / Alpujarras, confirma el tramo abierto exacto, el estado del coto y cualquier restricción del Parque Nacional o local antes de viajar.
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 2
Probably above the Brown Trout safety line — these are likely cooler, but carry a thermometer.
Río Trevélez
21 km
~13°C
Brown trout
Poqueira / Pampaneira valley streams
12 km
~13°C
Brown trout
Gallery · 2
  1. Río Lanjarón — Río Lanjarón river (DSCF5984)
    Río Lanjarón river (DSCF5984)
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Good
  • Chemical: Unknown
What this classification means

WFD ecological status Moderate → Good corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody ES060MSPF0632120 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · ES060MSPF0632120

The full read · show the working · for Brown Trout · confidence 90%
How the 2 is built — score × weight = contribution
Temperature1 × 28%0.3
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity65 × 12%7.8
Limiting factor: Water temperature (22.6°C) is outside Brown Trout's preferred range (10–16°C)= 56
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout May shoulder / June core window (practical) → July shoulder, occasionally later in lower sections
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts