Rules at a glance
- Free fishing
- Fly only
Water temperature for Brown Trout
Ideal12°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.
Hatch timeline · todayPeak at 2pm
12pm(now) — Daddy Long Legs
Stage: On emergersApproach: Emerger or dryActivity: 48%
Also:Purple Dun46%Cinnamon Sedge38%Autumn Needle Fly26%
Degree-days at peak11 food groups active
Peak activity at 2pm — Brown Sedge (Brown Sedge, Weather boost)
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 4 guilds with Pro.
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 · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
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 pesca de Castilla y León
- La JCyL gestiona varios tramos en el valle del Torío, incluidas secciones de solo mosca / sin muerte en la zona de Felmín–Vegacervera
- Consulta el visor de pesca de la JCyL para conocer el tramo exacto y la normativa vigente.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2

Torio 04 by-dpc Terrain map
The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow95 × 22%20.9
Clarity85 × 18%15.3
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity30 × 12%3.6
Conditions total= 81
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
- Trout Last Sunday of March → 31 July
Related guides
Booking & contacts
Río Torío

Water temperature for Brown Trout
Ideal12°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.
Hatch timeline · todayPeak at 2pm
12pm(now) — Daddy Long Legs
Stage: On emergersApproach: Emerger or dryActivity: 48%
Also:Purple Dun46%Cinnamon Sedge38%Autumn Needle Fly26%
Degree-days at peak11 food groups active
Peak activity at 2pm — Brown Sedge (Brown Sedge, Weather boost)
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 4 guilds with Pro.
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 · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
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 pesca de Castilla y León
- La JCyL gestiona varios tramos en el valle del Torío, incluidas secciones de solo mosca / sin muerte en la zona de Felmín–Vegacervera
- Consulta el visor de pesca de la JCyL para conocer el tramo exacto y la normativa vigente.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2

Torio 04 by-dpc Terrain map
The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow95 × 22%20.9
Clarity85 × 18%15.3
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity30 × 12%3.6
Conditions total= 81
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
- Trout Last Sunday of March → 31 July
Related guides
Booking & contacts