Gammarids
- Ecology: Good
- Chemical: Unknown
WFD classification · ES018MSPFES193MAR001700
Rules at a glance
- Public water
- Licence required
Water temperature for Brown Trout
Ideal14°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.
Likely species
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 12 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
Supporters see the full sub-surface read.
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 · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2
Large StoneflyHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Fly box · Brown Trout
Top
22-24 · Pattern
Upstream dry, on top
Beats · 2
Belmonte · 1.8 kmC&R trout
C&R trout stretch — Puente en zona urbana de Belmonte to Puente carretera a Corias.
Beat detail
Daily permit required, all fish returned
Upstream: Puente en zona urbana de Belmonte
Downstream: Puente carretera a Corias
Selviella · 1.3 kmC&R trout
C&R trout stretch — 50 m aguas abajo de la presa de Selviella to Puente de las Lleras. Central Hidroeléctrica de la Miranda.
Beat detail
Daily permit required, all fish returned
Upstream: 50 m aguas abajo de la presa de Selviella
Downstream: Puente de las Lleras. Central Hidroeléctrica de la Miranda
Permits & access
Free state water
State rod licence required for trout / salmon as applicable.
- Se requiere licencia de pesca asturiana
- En 2026 muchas aguas de trucha llegan hasta el 15 de agosto, pero las zonas de salmón, zonas de montaña, tramos sin muerte y tramos fronterizos pueden diferir
- Comprueba las normas locales de coto y tramo antes de pescar.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Terrain map
Water quality (WFD)
The full read · show the working · for Brown Trout · confidence 90%
How the 82 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity55 × 12%6.6
Conditions total= 82
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
Seasons & zones
Sea trout: Variable seasonal (2026)
Related guides
Booking & contacts
Río Pigüeña
Water temperature for Brown Trout
Ideal14°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.
Likely species
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 12 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
Supporters see the full sub-surface read.
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 · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2
Large StoneflyHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Fly box · Brown Trout
Top
22-24 · Pattern
Upstream dry, on top
Beats · 2
Belmonte · 1.8 kmC&R trout
C&R trout stretch — Puente en zona urbana de Belmonte to Puente carretera a Corias.
Beat detail
Daily permit required, all fish returned
Upstream: Puente en zona urbana de Belmonte
Downstream: Puente carretera a Corias
Selviella · 1.3 kmC&R trout
C&R trout stretch — 50 m aguas abajo de la presa de Selviella to Puente de las Lleras. Central Hidroeléctrica de la Miranda.
Beat detail
Daily permit required, all fish returned
Upstream: 50 m aguas abajo de la presa de Selviella
Downstream: Puente de las Lleras. Central Hidroeléctrica de la Miranda
Permits & access
Free state water
State rod licence required for trout / salmon as applicable.
- Se requiere licencia de pesca asturiana
- En 2026 muchas aguas de trucha llegan hasta el 15 de agosto, pero las zonas de salmón, zonas de montaña, tramos sin muerte y tramos fronterizos pueden diferir
- Comprueba las normas locales de coto y tramo antes de pescar.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Terrain map
Water quality (WFD)
- Ecology: Good
- Chemical: Unknown
WFD classification · ES018MSPFES193MAR001700
The full read · show the working · for Brown Trout · confidence 90%
How the 82 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity55 × 12%6.6
Conditions total= 82
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
Seasons & zones
Sea trout: Variable seasonal (2026)
Related guides
Booking & contacts