Chalk Stream · Chalk · Berkshire / Wiltshire, GB-ENG

River Kennet

The River Kennet downstream of the Old Mill at Ramsbury, clear water with grayling visible near the bed.
Marginal · Brown Trout
CDC F-Fly · 18-20
Marginallive now
Slow going — pick your moments
River temperature is the limiting factor today, not the flow. Fish dawn or dusk if you go at all, and handle everything with extra care.
80% confidence
What moved it
  • Level1.00 mDropping after lift
  • Water temp20.2°C
  • ClarityClear
Today's fly
CDC F-Fly
CDC F-Fly18-20
Upstream dry, on top
Conditions on the water
Live gauge
Level
Steady
1.00 m
Dropping after lift
Water temp20.2°C
ClarityClear
Weather27°C
WindNW 13 km/h
Pressure1016 hPa
Rain · recent0.0 mm
Rain · ahead0.0 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
20°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
Water at 20.2°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots.
Hatch timeline · todayPeak at 6pm

Hatch predictions

Today's headline hatch shown — see all 8 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

See the full sub-surface read with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 3 with Pro.

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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 · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
1
Grayling seasonSeason
2
2
1
1
2
2
2
2
2
2
Brown SedgeHatch
2
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Blue Winged OliveHatch
2
3
3
3
3
2
Mayfly (Green Drake)Hatch
2
2

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

Ranked for today
Brown Trout fly box
Local classics: Grey Wulff·Pheasant Tail Nymph·Grannom
Beats · 8 · 6 reaches

The Kennet is not one fishery — it is a chalk-stream system of estate beats, private syndicates, agent-booked day rods, carriers and side streams, with the Lambourn and Dun tributaries carrying much of the practical access value. Most of the historic water around Hungerford is held by the Town & Manor as Commoner-rights and paying-rod syndicates rather than open day tickets, while the better bookable days are estate and agent water at Benham, Avington, Denford and Donnington Grove. Downstream the river broadens onto clays and gravels and becomes a mixed coarse fishery. There is no single Kennet permit — confirm controller, ticket type, method rules, wading and season with each beat before travelling.

Upper Kennet — Marlborough & RamsburyMembers-only
The historic literary chalk-stream layer — Halford leased Kennet water here in the late 1800s and Frank Sawyer ran his summer school from Marlborough College grounds.
Hungerford FisheryMembers-only
Twelve historic beats along the Kennet and the Dun through Hungerford — among the most storied water on the river, held as Commoner-rights and paying-rod syndicate water rather than day tickets.
Visit official site ↗
Avington & Denford · 2 beatsDay rods
Avington Estate, Denford Water
The 2 beats
Avington EstateAgent booking
Avington Estate (via Hook a Fly)
Main River Kennet plus smaller carriers holding stocked and wild trout, with two-rod casual days and reported six-rod Monday group days. No wading; a pavilion with toilet and hot-drink facilities. Trout season 1 May–15 October; nearest stations Hungerford and Newbury.
No wading. Trout season 1 May – 15 October. Confirm group-day arrangements when booking.
Visit official site ↗
Denford WaterAgent booking
Hook a Fly / Aardvark McLeod routes
About two miles of narrow, challenging Kennet water — mostly carriers but with some main river — holding wild brown trout and grayling alongside stocked brown and rainbow trout. No wading, medium-to-high difficulty, up to twelve rods, with a hut and barbecue facilities. Day rods, guided trips and small group days.
No wading. Trout season 1 May – 15 October. Narrow, weir-broken carrier water demanding delicate presentation.
Visit official site ↗
Benham & Newbury · 2 beatsDay rods
Benham Estate, Barton Court
The 2 beats
Benham EstateAgent booking
Benham Estate (via Fishing Breaks)
The most chalk-stream fishing of any Berkshire estate — around five miles of larger main river plus a maze of carriers and side streams, mostly bank fishing with occasional wading on small-stream sections. Wild fish supplemented by stocking, a full-time river keeper, a fishing cabin and adjacent parking. Day rods and season rods through Fishing Breaks; about two miles from the nearest station.
Mostly bank fishing with occasional small-stream wading. Confirm beat allocation and weed-cutting dates when booking.
Visit official site ↗
Barton CourtAgent booking
Fishing Breaks / Hook a Fly routes reported
A named River Kennet beat in the Newbury area appearing on both Fishing Breaks and Hook a Fly listings, but without enough clean beat-level detail in this pass to publish with the confidence of Benham or Denford. Listed as a candidate pending verification.
Beat length, rod capacity, facilities and current bookability all need confirming.
Visit official site ↗
Donnington Grove (River Lambourn)Agent booking
A featured beat on the River Lambourn, the Kennet's fast, clear tributary — bright gravel and undercut banks ideal for sight fishing, holding small wild fish, larger locally reared brown trout and a healthy grayling population.
Visit official site ↗
Lower Kennet — mixed fisheriesMembers
Downstream of the classic chalk-stream reaches the Kennet widens and deepens onto clays and gravels, supporting barbel, chub, roach, perch, gudgeon and bream through club and association water.
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 1
Water here around 20°C — probably warm enough to stress Brown Trout . These are likely cooler.
Sutton Springs Fishing at Testwood
22 km
~18°C
Rainbow trout · Brown trout
Gallery · 6
  1. The River Kennet downstream of the Old Mill at Ramsbury, clear water with grayling visible near the bed.
    The River Kennet downstream of the Old Mill, Ramsbury
  2. The River Kennet at Leverton near Hungerford, a trout-rich chalk stream reach in late spring.
    River Kennet at Leverton
  3. The River Kennet west of Newbury looking towards Kintbury at a normal winter level.
    River Kennet towards Kintbury
  4. The River Kennet at Marlborough viewed from Figgins Lane Bridge, a chalk stream SSSI reach in spring.
    River Kennet, Marlborough
  5. The River Kennet flowing through Marlborough in spring at the upper chalkstream reaches.
    The River Kennet in Marlborough
  6. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Poor
  • Chemical: Fail
What this classification means

EA waterbody 'Middle Kennet (Hungerford to Newbury)' (GB106039023174) — waterbody ID unchanged, this is the correct reach. Latest EA data (Cycle 3, 2022): the Kennet has deteriorated to Poor ecological status (fish and biological elements dropped Moderate to Poor), down from Moderate in 2019. Chemical 'Fail' reflects the England-wide ubiquitous-substance failure (mercury and PBDE in biota); the 2022 cycle itself records chemical as 'does not require assessment'. Status corrected 2026-06-18 (was recorded Moderate).

EA (England) · GB106039023174

The full read · show the working · for Brown Trout · confidence 80%
How the 26 is built — score × weight = contribution
Temperature23 × 28%6.4
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time85 × 13%11.1
Pressure80 × 7%5.6
Insect activity64 × 12%7.7
Limiting factor: Water temperature (20.2°C) is outside Brown Trout's preferred range (10–16°C)= 66
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
  • Grayling 16 June → 14 March

    Statutory Thames byelaw grayling window is 16 June – 14 March. Kennet grayling is typically sold as an autumn/winter extension. October to February is a safe working default — confirm with the specific beat before booking.

    Typically fished 1 October → 28 February.

    Prime sport 1 October → 28 February

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Chalkstream Playbookchalk stream tacticsGrayling Playbookgrayling tacticsTrout Near Londonaccess guide
Casting instructors near here
Booking & contacts