Stillwater · Chalk · Île-de-France / Essonne (Abbéville-la-Rivière)

Sources de l'Éclimont

Sources de l'Éclimont terrain map
Marginal · Rainbow
Bibio Hopper · 10-12
A patient day, if you fancy it
Water temperature is the limiting factor today, not the wave. Fish dawn or dusk if you go at all, and handle everything with extra care.
41% confidence
limited data

Sources de l'Éclimont is often best in spring through autumn.

What moved it
  • WindSW 4 km/hCalm
Today's fly
Bibio Hopper
Bibio Hopper10-12
Upstream dry
Conditions on the water
Live gauge
Wind
Calm
SW 4 km/h
N
SW
from the south-west
WaveFlat calm
Water temp
Air temp30°C
CloudClear
Pressure1018 hPa
Rain · recent0.0 mm

Some readings unavailable — check directly before fishing.

How to fish it · for Rainbow
When
Conditions are not ideal but fishable at Sources de l'Éclimont. Flat calm means fish may be spookier — longer leaders and subtler flies will help. Very warm conditions — trout have a narrower safe zone of cool, oxygen-rich water. Fish only at first light or last light, use barbless hooks, keep fish in the water during release, and stop if fish struggle to recover. Early morning is often the most productive window in summer — make the most of it.
Where
Start with Small Damsel (8-12) — on the point. Midday in warm weather — switch to a fast-sink or Di-7 and fish boobies or blobs along the bottom. Rainbows respond to more active retrieves — try short strips between pauses.
The plan
Plan A

Start with Small Damsel (8-12) — on the point. Midday in warm weather — switch to a fast-sink or Di-7 and fish boobies or blobs along the bottom. Rainbows respond to more active retrieves — try short strips between pauses.

Plan B

Fish early and late, try deeper during the heat of the day with a fast-sinking line.

Watch for

Evening tends to be the best period in summer — stay late if you can for a sedge or spinner fall.

Bank

Bank-only venue. Fish from accessible margins, points, weed edges, and inflows.

Sub-surface · on the nymphunder the surface

Hatch predictions

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Beyond the hatch · worth watchingambient prey

Hatch predictions

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Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Reservoir BuzzerHatch
2
3
3
3
3
3
2
Lake OliveHatch
2
3
3
3
3
3
2
Silverhorns & LonghornsHatch
1
2
2
2
1

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

Ranked for today
Rainbow fly box
SD
Small Damsel
8-12 · Pattern
Retrieve
Permits & access
Permit required — see local rules.
  • Private fly fishery
  • Status uncertain — the operator's own site currently states no trout fishing, but recent social media shows anglers on the water
  • Confirm booking and current rules directly with the venue.
What's coming
Plan ahead
5-day outlook
Condition match
41%
Cloud25%
Wind65%
Temp25%

Conditions are away from Sources de l'Éclimont's sweet spot — it usually fishes best in ripple wind with cloud skies.

Other water nearby · 2
Water quality (WFD)
  • EcologyUnknown
  • ChemicalUnknown
Why this score
  • High temperatures may push fish deeper and reduce surface activity.
Directions
Seasons & zones
  • Trout Uncertain — confirm with venueUncertain — confirm with venue
Related guides
Booking & contacts
Permits & access