Stoneflies
Gammarids
- Ecology: Good
- Chemical: Unknown
WFD classification · ES091MSPF739
Rules at a glance
- Public water
- Licence required
Water temperature for Brown Trout
Cool — slow9°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
Good — water clarity is working for you, but insect activity is the limiting factor today.
Likely species
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 6 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
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
Fly box · Brown Trout
Permits & access
Permit required — see local rules.
- Border-water and named-section rules matter here
- Check the exact Aragón or Catalonia licence requirement, plus any coto or ZPC permit and special seasonal rules for the precise stretch you plan to fish.
What's coming
Plan ahead
5-day outlook
Fishing better nearby · 5
Gallery · 2
E05 La Noguera de Tor Terrain map
Water quality (WFD)
The full read · show the working · for Brown Trout · confidence 70%
How the 62 is built — score × weight = contribution
Temperature78 × 28%21.8
Flow40 × 22%8.8
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity26 × 12%3.1
Conditions total= 62
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Noguera Ribagorzanaproxy
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 check named border section or controlled zone → check named border section or controlled zone
Related guides
Booking & contacts
Noguera de Tor
Water temperature for Brown Trout
Cool — slow9°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
Good — water clarity is working for you, but insect activity is the limiting factor today.
Likely species
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 6 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
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
Fly box · Brown Trout
Permits & access
Permit required — see local rules.
- Border-water and named-section rules matter here
- Check the exact Aragón or Catalonia licence requirement, plus any coto or ZPC permit and special seasonal rules for the precise stretch you plan to fish.
What's coming
Plan ahead
5-day outlook
Fishing better nearby · 5
Gallery · 2
E05 La Noguera de Tor Terrain map
Water quality (WFD)
- Ecology: Good
- Chemical: Unknown
WFD classification · ES091MSPF739
The full read · show the working · for Brown Trout · confidence 70%
How the 62 is built — score × weight = contribution
Temperature78 × 28%21.8
Flow40 × 22%8.8
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity26 × 12%3.1
Conditions total= 62
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Noguera Ribagorzanaproxy
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 check named border section or controlled zone → check named border section or controlled zone
Related guides
Booking & contacts