Stoneflies
Cold snow-fed water, steep gradient, and short plunge-pool structure create a compressed practical season and a much tighter tactical style than on the Cazorla limestone cotos.
- Schist metamorphic
Rules at a glance
- Public water
- Licence required
Water temperature for Brown Trout
Cool — slow7°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.
Likely species
Hatch timeline · todayPeak at 11am
12pm(now) — Autumn Needle Fly
Stage: Creeping nymphsApproach: Heavy nymphActivity: 28%
Also:Black Midge24%
Peak emergence window3 food groups active
Peak activity at 11am — Autumn Needle Fly (Autumn Needle Fly, Peak emergence window)
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Evidence
Survey-backed · regionalHigh confidence
Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Through the year
0–3 scale · November 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.
- Junta de Andalucía licence required
- On Sierra Nevada / Alpujarras headwaters, confirm the exact open stretch, coto status, and any National Park or local restrictions before travel.
What's coming
Plan ahead
5-day outlook
Other water nearby · 4
Gallery · 2
Río Lanjarón river (DSCF5984) Terrain map
About this water
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 55%
How the 0 is built — score × weight = contribution
Temperature45 × 28%12.6
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity18 × 12%2.2
Conditions total= 60
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout May shoulder / June core window (practical) → July shoulder, occasionally later in lower sections
Related guides
Booking & contacts
Río Lanjarón
A compact Sierra Nevada headwater near Lanjarón, best treated within the same metamorphic mountain template as Trevélez and Poqueira.
Water temperature for Brown Trout
Cool — slow7°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.
Likely species
Hatch timeline · todayPeak at 11am
12pm(now) — Autumn Needle Fly
Stage: Creeping nymphsApproach: Heavy nymphActivity: 28%
Also:Black Midge24%
Peak emergence window3 food groups active
Peak activity at 11am — Autumn Needle Fly (Autumn Needle Fly, Peak emergence window)
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Evidence
Survey-backed · regionalHigh confidence
Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Through the year
0–3 scale · November 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.
- Junta de Andalucía licence required
- On Sierra Nevada / Alpujarras headwaters, confirm the exact open stretch, coto status, and any National Park or local restrictions before travel.
What's coming
Plan ahead
5-day outlook
Other water nearby · 4
Gallery · 2
Río Lanjarón river (DSCF5984) Terrain map
About this water
Cold snow-fed water, steep gradient, and short plunge-pool structure create a compressed practical season and a much tighter tactical style than on the Cazorla limestone cotos.
- Schist metamorphic
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 55%
How the 0 is built — score × weight = contribution
Temperature45 × 28%12.6
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity18 × 12%2.2
Conditions total= 60
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout May shoulder / June core window (practical) → July shoulder, occasionally later in lower sections
Related guides
Booking & contacts
At a glance
Río Lanjarón is a freestone river in Andalucía / Granada (Sierra Nevada), Spain. The catchment geology is recorded as schist metamorphic, and the water sits at about 662 m above sea level. The river is described as roughly 15 km long. The species listed for this water is brown trout. Core methods listed: dry fly; nymph; careful low-water approach. Level and flow data for this water is linked from 1 gauge. Its Water Framework Directive ecological status is recorded as good. Nearby waters in our listings include Poqueira / Pampaneira valley streams at 12 km, Río Guadalfeo at 17 km and Río Trevélez at 21 km.