Chalk · Normandy / Eure (Risle, Charentonne, Andelle)

Normandy Chalk Streams (Private Estate Network)

Normandy Chalk Streams (Private Estate Network) terrain map
Terrain map

Network of private Normandy chalk-stream estates on classical spring-fed water — Andelle, Arques, Durdent, Saâne, Scie tributaries and manor-house beats.

Good · Brown Trout
Spent Spinner · 16-20
Goodlive now
A proper day on the water
Low and clear — careful approach country. Stay small, stay accurate.
75% confidence
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp16.2°C
  • ClarityClear
Today’s fly
Spent Spinner
Spent Spinner16-20
Upstream dry
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp16.2°C
ClarityClear
Weather17°C
WindNW 8 km/h
Pressure1025 hPa
Rain · recent0.0 mm
Rain · ahead0.9 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

Water temperature for brown trout
Warm — slow
16°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 temperature is right today, though insect activity could be better.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 9 active hatches hour by hour with Pro.

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Evidence
Survey-backed · regionalModerate confidence

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

Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Grayling seasonSeason
1
2
2
2
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
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.
  • AAPPMA permits
  • Verify access on private beats.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Arques
8.0 km
80
Brown trout · Grayling · Sea trout
Andelle
14 km
Brown trout · Grayling
Durdent
21 km
80
Brown trout · Grayling
Saâne
32 km
75
Brown trout · Grayling
Béthune / Eaulne
32 km
80
Brown trout · Grayling · Sea trout
About this water

Network of private Normandy chalk-stream estates on classical spring-fed water — Andelle, Arques, Durdent, Saâne, Scie tributaries and manor-house beats. Stable temperature, prolific insect life, selective wild trout and grayling. Fly-only beats with size restrictions (typically 16–18). Small precise presentations required. Booking well in advance essential. Access restricted to private permits.

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

WFD classification · FRHR358

The full read · show the working · for brown trout · confidence 75%
How the 78 is built — score × weight = contribution
Temperature95 × 28%26.6
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time75 × 13%9.8
Pressure80 × 7%5.6
Insect activity50 × 12%6.0
Conditions total= 78
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout2nd Saturday of March → 3rd Sunday of September
  • Grayling3rd Saturday of May → 31 December
Related guides
Chalkstream Playbookchalk stream tacticsGrayling Playbookgrayling tacticsPyrenees PlaybookFrench rivers
Booking & contacts