Chalk Stream · Chalk · Hampshire / Wiltshire

Hampshire Avon

River Avon flowing past a weir near the Old Mill in Salisbury, Wiltshire
Poor · Brown Trout
CDC F-Fly · 18-20
Poorlive now
Not the day for it
River temperature is the limiting factor today, not the flow. This is not the day to push it. Check the thermal advice above before you head out.
80% confidence
What moved it
  • Level0.57 mLast reading 8h ago
  • Water temp20.5°C
  • ClarityClear
Today's fly
CDC F-Fly
CDC F-Fly18-20
Upstream dry, on top
Conditions on the water
Live gauge
Level
Falling
0.57 m
Last reading 8h ago
Water temp20.5°C
ClarityClear
Weather32°C
WindSE 16 km/h
Pressure1020 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

Live readings — water temperature is an estimate where the gauge does not record it.

Water temperature for Brown Trout
Warm — slow
21°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 20.5°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 9 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
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: Pheasant Tail Nymph·Killer Bug·Grey Wulff
Beats · 10 · 5 reaches

The Hampshire Avon is not one fishery, and it is not one kind of fishing. Above Salisbury the Avon and its chalk-stream tributaries — the Nadder and Wylye especially — are classic dry-fly and upstream-nymph water for brown trout and grayling, mostly held by clubs, syndicates and a few day-ticket fisheries. Around Salisbury and Amesbury, club and guest-ticket water adds practical access. Farther downstream the river changes character entirely into one of England's great coarse, salmon and sea-trout systems, with the Royalty at Christchurch a famous lower-river venue in its own right. This is the Hampshire (Wiltshire/Hampshire) Avon — not the Warwickshire or Bristol Avon. There is no single permit, and the lower coarse/salmon water must never be read as a chalk-stream trout beat — confirm controller, ticket type, species, season and method rules for each reach before travelling.

Avon Springs / Manningford — River AvonDay tickets
The cleanest practical 'where can I actually fish the Avon for trout?
Salisbury & District club water · 3 beatsMembers-only
S&DAC — West Amesbury, Queensberry & Abbey Water, S&DAC — Avon & Nadder Mixed Fishery, Services Dry Fly Fishing Association
The 3 beats
S&DAC — West Amesbury, Queensberry & Abbey WaterMembers
Salisbury & District Angling Club
The club backbone of the upper Avon — chalk-stream trout and grayling beats at Amesbury (West Amesbury, Queensberry and Abbey Water) fished by dry fly and upstream nymph. Access is member-led: guest tickets must be bought by a member, are weekdays only in the trout season and are excluded during the mayfly period.
Member-guest tickets only — weekdays in trout season, excluded 12 May–29 June (mayfly); grayling guest tickets 16 October – 31 December. Not open day-ticket water.
S&DAC — Avon & Nadder Mixed FisheryMembers
Salisbury & District Angling Club
A Coarse/Mixed Fishery membership, buyable at any time, opens roughly ten miles of the Avon and Nadder to fly fishing from 1 April — a more flexible route into Salisbury-area chalk-stream water than the capped game beats, though rules and character vary by reach.
Fly fishing from 1 April via Coarse/Mixed membership; beat-specific rules vary. Membership-led rather than a single day ticket.
Services Dry Fly Fishing AssociationMembers
Services Dry Fly Fishing Association
Trout fishing on the River Avon on Salisbury Plain for serving and retired members of the Services, established in 1904 as the Officers Fishing Association. A distinctive restricted-membership controller — listed for context, not as a route a visiting angler can book.
Restricted to Services members. Not a public access route.
Wylye & Nadder tributaries · 3 beatsMixed
River Wylye — Langford Lakes, Wylye Fly Fishing Club — Wylye & Nadder beats, River Nadder — Wilton / Salisbury
The 3 beats
River Wylye — Langford LakesAgent booking
Wiltshire Wildlife Trust (organised by Aardvark McLeod)
The most accessible Wylye fishing — a clear chalk-stream tributary stretch at the Wiltshire Wildlife Trust's Langford Lakes nature reserve, wild brown trout in spring and summer and grayling through autumn and winter. There is a syndicate, but day tickets are available, organised by Aardvark McLeod.
Fly only; chalk-stream etiquette. Book the day ticket in advance through the fishery manager.
Wylye Fly Fishing Club — Wylye & Nadder beatsMembers
Wylye Fly Fishing Club
Twelve beats near Salisbury on the Wylye and Nadder (plus two on the Dorset Frome), ranging from small, intimate water to wider, open sections — the 'smaller tributary chalk stream' lane of the Avon system. Primarily club water; guest or day availability needs confirming.
Club membership water; confirm guest/day-ticket availability, method rules and season.
River Nadder — Wilton / SalisburyEnquiry
Multiple: S&DAC, Wylye Fly Fishing Club, private/guide routes
The Nadder joins the Wylye at Wilton before flowing into the Avon just outside Salisbury — an excellent trout river with true chalk-stream character, framed alongside the Wylye as the county's best-kept dry-fly secret. Access is split across the club, Wylye FFC and private/guide routes, so it needs a beat-by-beat check rather than a single permit.
Access split between several controllers; do not assume a single bookable route. Confirm beat, controller and rules before travelling.
Middle & Lower Avon · 2 beatsDay rods
S&DAC — Salisbury & Downton coarse day tickets, Avon Fishing Association (lower / migratory)
The 2 beats
S&DAC — Salisbury & Downton coarse day ticketsDay tickets
Salisbury & District Angling Club
S&DAC coarse day tickets on the River Avon at Salisbury and Downton, plus the Millennium Water (about half a mile south of Downton, historically Bull Water). Dawn-to-dusk coarse fishing with all coarse fish returned — captured because the Avon page draws coarse anglers, but this is not a Rise Daisy fly-game lead.
Coarse season 16 June – 14 March, dawn to dusk, all coarse fish returned. Coarse/specimen water, not a fly-trout recommendation.
Avon Fishing Association (lower / migratory)Season rods
Avon Fishing Association
An association offering season, visitor and temporary day tickets across brown trout, migratory trout, salmon and all-species water on the lower/middle Avon. Potentially useful but needs a dedicated verification pass on water boundaries and current availability before it is treated as a confirmed route; visitor tickets are not valid 1 October–30 November.
Salmon/sea-trout water is conservation-sensitive. Visitor tickets invalid 1 October – 30 November. Boundaries and species permissions unverified.
Royalty Fishery — Christchurch (lower Avon)Day tickets
The legendary lower-Avon fishery where the river runs through Christchurch — a nationally renowned coarse and specimen venue with record barbel and chub history, the celebrated Royalty salmon pool, and a salmon/sea-trout and bass edge towards tidewater.
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 1
Water here around 21°C — probably warm enough to stress Brown Trout . These are likely cooler.
Manningford Trout Fishery
10 km
~20°C
Brown trout · Rainbow trout
Gallery · 7
  1. River Avon flowing past a weir near the Old Mill in Salisbury, Wiltshire
    The River Avon at the Old Mill, Salisbury
  2. Mute swans on the chalk-clear River Avon through Churchill Gardens parkland in Salisbury.
    Swans on the River Avon in Churchill Gardens
  3. The River Avon at Ringwood, the watercourse running through the lower town reach.
    Ringwood - River Avon
  4. The medieval seven-arch stone bridge over the Hampshire Avon at Fordingbridge with the river beneath.
    River Avon and bridge at Fordingbridge
  5. The Hampshire Avon flowing through Fordingbridge with the river as the main subject.
    River Avon, Fordingbridge, Hampshire
  6. A view of the Hampshire Avon at Fordingbridge in open channel.
    River Avon at Fordingbridge
  7. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Poor
  • Chemical: Fail
What this classification means

EA waterbody 'Hampshire Avon (Upper) u/s Nine Mile River confl' (GB108043022351) — the Upper Avon main stem (Upavon, Netheravon, Figheldean), Frank Sawyer's water where the induced take was developed. Latest EA data (Cycle 3, 2022): Poor ecological status (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'. Re-tagged 2026-06-18 from GB108043015840, a retired/superseded waterbody ID that no longer resolves. NB: if the venue's primary water is actually the Pewsey-vale Western Avon branch (where the stored coordinates sit), use GB108043022370 'Hampshire Avon (West)' (Moderate) instead.

EA (England) · GB108043022351

The full read · show the working · for Brown Trout · confidence 80%
How the 24 is built — score × weight = contribution
Temperature19 × 28%5.3
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity64 × 12%7.7
Limiting factor: Water temperature (20.5°C) is outside Brown Trout's preferred range (10–16°C)= 61
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.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 April → 15 October
  • Grayling 16 June → 14 March

    Statutory window is 16 June – 14 March. The Avon is arguably England's finest grayling river — fish to 3lb+, home of Sawyer's induced take. Most beats sell grayling from 1 or 15–16 October. Some close 31 December; others run to end of February. Always check the beat.

    Typically fished 1 October → 28 February.

    Prime sport 1 October → 28 February

Salmon: Negligible (2026) — Genetically distinct chalk stream salmon stock at critically low levels. Conservation priority — not a salmon fishing destination.

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