Mixed · Chalk · Hampshire / Berkshire, GB-ENG

River Loddon

The River Loddon, a Thames tributary, flowing gently past Stratfield Saye, Hampshire.

The Loddon runs from Basingstoke (chalk-influenced) through Hampshire and Berkshire to join the Thames at Twyford.

Poor · Brown Trout
Sawyer's Pheasant Tail Nymph · 16-18
Closed season
Out of season. Try elsewhere.
Closed — confidence not applicable today.
What moved it
  • Level0.15 mLast reading 9h ago
  • Water temp17.5°C
  • ClarityClear
Today's fly
Sawyer's Pheasant Tail Nymph
Sawyer's Pheasant Tail Nymph16-18
Upstream, sub-surface
Conditions on the water
Live gauge
Level
Steady
0.15 m
Last reading 9h ago
Water temp17.5°C
ClarityClear
Weather19°C
WindS 27 km/h
Pressure1009 hPa
Rain · recent0.1 mm
Rain · ahead1.5 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
18°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
Caddisflies
Gammarids
Hatch timeline · todayPeak at 11am

Hatch predictions

Today's headline hatch shown — see all 12 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 5 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
Daddy Long LegsHatch
2
3
2
CapererHatch
2
3
3
2
Hawthorn FlyHatch
2
2
GrannomHatch
2
2

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

Ranked for today
Brown Trout fly box

The heartland of English dry fly fishing. Upstream dry fly and emerger presentation dominates. Nymphing restricted or discouraged on many beats. Gin-clear alkaline water, prolific weed growth, educated wild brown trout. Precise imitation and delicate presentation are paramount.

Permits & access
Permit required — see local rules.
  • Private syndicate / coarse club mix.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
River Whitewater
10 km
Brown trout
Sportfish Game Fishing Centre
10 km
Rainbow trout · Brown trout
River Pang
14 km
Brown trout
Felix Farm Trout Fishery
15 km
Rainbow trout
Frensham Trout Fishery
27 km
Rainbow trout
Gallery · 2
  1. The River Loddon, a Thames tributary, flowing gently past Stratfield Saye, Hampshire.
    The River Loddon at Stratfield Saye, Hampshire.
  2. Terrain map of the venue
    Terrain map
About this water

The Loddon runs from Basingstoke (chalk-influenced) through Hampshire and Berkshire to join the Thames at Twyford. Mixed character — chalk-influenced upper reaches with trout potential, lower river increasingly coarse-dominated. Mostly private syndicate or coarse-club water.

  • Chalk
Water quality (WFD)
  • Ecology: Moderate
Water quality details
  • Dissolved oxygen: High
  • Ammonia (Phys-Chem): High
  • pH: High
  • Phosphate: Moderate
  • Temperature: High

EA (England) · GB106039017330

The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature54 × 28%15.1
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity70 × 12%8.4
Conditions total= 74
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 April → 30 September
Related guides
Trout Near Londonaccess guideEuro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts