Freestone · Granite · Catalonia, ES

Tordera

Tordera — Montseny - Rio Tordera

The Tordera drains the Montseny massif and flows to the coast.

Today · Closed season
Coch-y-bonddu
Forecast · Today
Closed season
Out of season. Try elsewhere.
45% projected
Today's fly
Coch-y-bonddu
Coch-y-bonddu
Conditions on the water · Today
Live gauge
Flow
Rising
0.8 m³/s
Lifting fast
Water temp17.2°C
ClarityUnfishable
Weather23°C
WindN 17 km/h
Pressure1019 hPa
Rain · recent10.5 mm
Rain · ahead0.5 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Brown Trout
Warm — slow
17°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
Caddisflies
Gammarids
Hatch timeline · todayPeak at 5pm

12pm(now) — Flying Ants

Stage: Terrestrials on topApproach: Dry flyActivity: 30%
Also:Reed Smut29%Cinnamon Sedge23%
Peak emergence windowWeather boost7 food groups active

Peak activity at 5pm — Summer River Midge (Summer River Midge, 10 food groups active)

Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 as a supporter.

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Evidence
Survey-backed · regionalHigh confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
1
Large Dark OliveHatch
1
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1
Autumn OliveHatch
1
2
1
Brown SedgeHatch
1
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.
  • Catalan fishing licence required
  • Controlled trout waters may require a ZPC permit, and legal dates differ between low-mountain, high-mountain, with-kill, and no-kill sectors, so check the current Generalitat rules for the exact zone.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Muga
75 km
0
Brown trout
Cardener
82 km
0
Brown trout
Fluvià
49 km
Brown trout
Ter
76 km
Brown trout
Freser
77 km
Brown trout
Gallery · 2
  1. Tordera — Montseny - Rio Tordera
    Montseny - Rio Tordera
  2. Terrain map of the venue
    Terrain map
About this water

The Tordera drains the Montseny massif and flows to the coast. Granite geology throughout creates typical freestone character. The southernmost Catalan salmonid zone, with marginal trout habitat reflecting lower elevation and Mediterranean influence.

  • Granite
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown

WFD classification · ES100MSPF1400060

The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature86 × 28%24.1
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time45 × 13%5.9
Pressure80 × 7%5.6
Insect activity56 × 12%6.7
Conditions total= 77
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
Apple MapsGoogle Maps
Seasons & zones
  • Trout 21 March → 30 August
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts