Spate · Slate Shale Snowdonia · Wales / Snowdonia (Mawddach catchment), GB-WLS

Afon Eden (Welsh)

The Afon Eden, a rocky Welsh river, flowing through woodland near Ganllwyd in Gwynedd
Poor · Brown Trout
Partridge and Orange · 14-16
Closed season
Out of season. Try elsewhere.
Closed — confidence not applicable today.
What moved it
  • LevelProxyvia Dovey (Dyfi)
  • Water temp10.7°C
  • ClarityClear
Today's fly
Partridge and Orange
Partridge and Orange14-16
Upstream, in the film
Conditions on the water
Proxy gauge
Level
Steady
Proxy
via Dovey (Dyfi)
Water temp10.7°C
ClarityClear
Weather9°C
WindNE 11 km/h
Pressure1037 hPa
Rain · recent11.7 mm
Rain · ahead1.2 mm

No gauge on this water — conditions are inferred from Dovey (Dyfi). The trend transfers, the absolute level does not.

Water temperature for Brown Trout
Ideal
11°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
Stoneflies
Gammarids
Hatch timeline · todayPeak at 11:00

Hatch predictions

Today's headline hatch shown — see all 10 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

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Beyond the hatch · worth watchingambient prey(1)

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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 · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
March BrownHatch
2
3
2
CapererHatch
2
3
3
2
Heather FlyHatch
2
2
Autumn DunHatch
2
3
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Fly box · Brown Trout
Beats · 1
Afon Eden — three Passport beats (Upper, Middle, Lower)Access varies
Three short day-ticket beats on the Welsh Eden — Upper (1¼ mile), Middle (½ mile), Lower — all bookable on the Fishing Passport at £10/day each.
Visit official site ↗
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Mawddach
5.0 km
0
Brown trout · Salmon · Sea trout
Afon Prysor
12 km
0
Brown trout
Llyn Cwm Nantcol
11 km
Brown trout · Rainbow trout
Llyn Eiddew Mawr
11 km
Brown trout
Llyn Trawsfynydd Reservoir
12 km
Brown trout · Rainbow trout
Gallery · 2
  1. The Afon Eden, a rocky Welsh river, flowing through woodland near Ganllwyd in Gwynedd
    Afon Eden upstream of Pont ar Eden, near Ganllwyd, Gwynedd
  2. Terrain map of the venue
    Terrain map
The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity63 × 12%7.6
Conditions total= 84
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Dovey (Dyfi)proxy
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 3 March → 30 September
Related guides
Yorkshire & SpidersNorth Country methodsEuro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts
Boards & regulators