Stoneflies
This is steep southern-slope metamorphic headwater fishing with a short practical season and small-water tactics, not a broad Andalusian spring-to-autumn trout template.
- 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
Hatch predictions
Today's headline hatch shown — see all 4 active hatches hour by hour as a supporter.
Start free trial14-day free trial. Cancel anytime.
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
Autumn DunHatch
2
3
2
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
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 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 · 3
Río Guadalfeo, en Fuente Agria Bérchules 
Terrain map
About this water
The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature54 × 28%15.1
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity54 × 12%6.5
Conditions total= 70
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 upper/cool sections
Related guides
Booking & contacts
Río Guadalfeo
Upper Guadalfeo row for Sierra Nevada / Alpujarras trout planning.
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
Hatch predictions
Today's headline hatch shown — see all 4 active hatches hour by hour as a supporter.
Start free trial14-day free trial. Cancel anytime.
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
Autumn DunHatch
2
3
2
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
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 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 · 3
Río Guadalfeo, en Fuente Agria Bérchules Terrain map
About this water
This is steep southern-slope metamorphic headwater fishing with a short practical season and small-water tactics, not a broad Andalusian spring-to-autumn trout template.
- Schist metamorphic
The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature54 × 28%15.1
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity54 × 12%6.5
Conditions total= 70
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 upper/cool sections
Related guides
Booking & contacts
At a glance
Río Guadalfeo is a spate river in Granada — Alpujarras, Spain. Its recorded elevation is about 573 m above sea level and the catchment geology is schist metamorphic. 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 2 gauges. Nearby waters in our listings include Poqueira / Pampaneira valley streams at 7.0 km, Río Trevélez at 9.0 km and Río Lanjarón at 17 km.