Freestone · Old Red Sandstone · South / Cork-Waterford, IE

Munster Blackwater

The weir on the Munster Blackwater at Fermoy, County Cork, fast water over the sill.
Today · Closed season
Blue-Winged Olive
Forecast · Today
Closed season
Out of season. File this water for the right month.
40% projected
Today's fly
Blue-Winged Olive
Blue-Winged Olive
Conditions on the water · Today
Live gauge
Level
Rising
1.40 m
Lifting fast
Water temp14.8°C
ClarityVery coloured
Weather13°C
WindN 25 km/h
Pressure1002 hPa
Rain · recent19.9 mm
Rain · ahead4.4 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Atlantic Salmon
Ideal
15°C est.ideal 10–16°C
0°14°28°
How to fish it · for Atlantic Salmon
When
Spring run from February through April; grilse from late May; main run through summer. The Blackwater is one of Ireland's biggest salmon rivers — fish the named beats methodically.
Where
Big-water beats from Mallow down through Fermoy to Lismore. Heads, tails, and named lies; many beats fish from boats with ghillies on the wider stretches.
Method
Spring: tube on a sink-tip swung deep through the main pools. Summer and autumn: small doubles on a floater across-and-down. Catch-and-release on most beats.
Kit
12 to 13 ft #8 double-hander on the bigger water; 11 ft switch on smaller beats. Floating line plus fast-sink tip. 10 to 12 lb fluoro tippet.
Why this works
September accounts for only ~3% of salmon seasonal activity on this river (based on guide reports and fishery knowledge). Fish are present but encounters are less likely. Conditions are reasonable, though not ideal. Late season — fish are beginning to colour up as spawning approaches. They become more territorial and can take aggressively. Autumnal colours (orange, copper, gold) work well.
Likely species
Caddisflies
Gammarids
Hatch timeline · todayPeak at 12 Uhr

12 Uhr(now) — Heather Fly

Stage: Terrestrials on topApproach: Dry flyActivity: 52%
Also:Reed Smut46%Cinnamon Sedge27%Autumn Dun26%
Peak emergence window9 food groups active

Peak activity at 12 Uhr — Heather Fly (Heather Fly, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 4 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 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
Salmon runRun
1
2
2
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
Fly box · Atlantic Salmon
Beats · 12 · 8 reaches

The Munster Blackwater is not one fishery — it is a large, beat-led southern salmon system split between private estate beats, fishery-managed day rods, association water, syndicates and guide-hosted water, running from the Youghal tide up past Lismore and Fermoy to Mallow and the headwaters. The single most important thing to know for 2026: in the Lismore District the Blackwater and its tributaries are catch-and-release only for salmon and sea trout over 40 cm, on single or double barbless hooks, with no worm under those rules — and IFI's 2026 catch advice was shaped by the 2025 Munster Blackwater fish kill, so this is a conservation-led river, not a harvest destination. A state salmon licence does not give you access to any beat; you still need the correct fishery booking, club permit or owner permission. Always confirm the beat's route and the current statutory status before travelling.

Youghal estuary & tidal lower river (context)Access varies
The tidal lower river around Youghal and up towards the Cappoquin bend is the migration-entry context for the whole system — it explains how fresh fish move on tides and why the Lismore and Cappoquin beats fish differently from upstream water.
Lismore & Cappoquin · 3 beatsMixed
Lismore Castle Fishery, Cappoquin Salmon & Trout Association water, Fortwilliam Fishery
The 3 beats
Lismore Castle FisherySeason rods
Lismore Castle Estate
Two adjoining estate beats covering almost 3 km of double-bank water above the tidal limit — one of the strongest lower-river salmon fisheries on the Blackwater, with day-ticket and syndicate/season-rod context booked directly through the estate. Ghillie-managed premium water rather than casual access.
2026 Lismore District statutory override: catch-and-release only for salmon and sea trout over 40 cm, single or double barbless hooks, no worm under C&R rules. State rod licence required. Confirm current day-ticket vs syndicate availability with the estate.
Cappoquin Salmon & Trout Association waterMembers
Cappoquin Salmon & Trout Association
Association water around Cappoquin, the most likely ordinary-angler route in the lower-middle river. Listed by Fishing in Ireland, but its current permit route, prices and boundaries need direct verification before it is treated as a clean bookable entry.
2026 Lismore District C&R-only for salmon and sea trout over 40 cm; barbless single/double hooks, no worm under C&R. Association permit required in addition to the state licence — verify current route.
Fortwilliam FisherySeason rods
Fortwilliam Estate
A known lower-middle premium estate fishery near Lismore (around 2 miles split into numbered beats), sold on season and weekly lets. A strong name, but its current official booking route and rules need verification before it is treated as cleanly bookable.
2026 Lismore District C&R-only for salmon and sea trout over 40 cm; barbless single/double hooks, no worm under C&R. State licence required. Confirm current site, booking route and rod limits.
Ballyduff · 2 beatsDay rods
Blackwater Valley Fishery (Ballyduff beats), Blackwater Trout & Salmon Fishery
The 2 beats
Blackwater Valley Fishery (Ballyduff beats)Agent booking
Blackwater Valley Fishery
A fishery-managed cluster of named beats around Ballyduff Bridge — Bridge Beats 1–3, Crowley's Lower Beat, Blackstone and Ballygarret — with beat-specific bank, fly and spinning notes and day-permit and guide-hosted access. The most practically importable Ballyduff water.
2026 Lismore District C&R-only for salmon and sea trout over 40 cm; barbless single/double hooks, no worm under C&R. Some beats are deep and slow and more spinning-suitable where permitted, others are fly-friendly — confirm method rules per beat and by height.
Visit official site ↗
Blackwater Trout & Salmon FisheryGuide / lodge
Jason Corcoran / Blackwater Trout & Salmon Fishery
A guide-hosted Ballyduff fishery offering guided fishing, tuition, tackle, rod and wader hire and state-licence availability — a full-service entry point for a visiting angler new to the river.
2026 Lismore District C&R-only for salmon and sea trout over 40 cm; barbless single/double hooks, no worm under C&R. A state rod licence is required (available here) — the guide booking does not replace it. Confirm 2026 rules, rates and packages.
Careysville · 2 beatsMixed
Careysville Fishery, Blackwater Salmon Fishery (Glenda Powell)
The 2 beats
Careysville FisheryPrivate
Careysville House / estate fishery (Glenda Powell associated)
The famous private middle-river fly fishery downstream of Fermoy, with 26 named pools, excellent wading, boat access to either bank and 4x4 support for the lower pools. A high-recognition prestige beat — historically guest-hosted and managed rather than open day-ticket retail, so treat it as private/guide-hosted, not casually bookable.
2026 statutory C&R for salmon and sea trout over 40 cm overrides any older retention copy; barbless single/double hooks, no worm under C&R. Careysville's own culture is strongly C&R, with spinning historically allowed only in early spring or extreme conditions at the manager's discretion. Confirm current booking route, rod limit and method rules directly.
Blackwater Salmon Fishery (Glenda Powell)Guide / lodge
Glenda Powell / Blackwater Salmon Fishery
Two beats of lower Blackwater fly water downstream of Careysville weir — described as around 1.3 miles of single-bank fishing for up to six rods on rotation — run as a guide-hosted, ghillie-available fly fishery. A strong, bookable middle-river fly option.
2026 statutory C&R for salmon and sea trout over 40 cm; barbless single/double hooks, no worm under C&R. State licence required. Beat lengths quoted vary by source — confirm current beats and rod limits with the fishery.
Fermoy, Ballyhooly & Killavullen beats (context)Enquiry
A mixed private, estate and locally-permitted corridor through the mid-river — Ballyhooly Castle, Ballyvolane House, Fox's Fishery at Killavullen, Carrigacunna and the Blackwater Valley Fishery's mid-river beats (Blackstone, Crowley's Lower).
Mallow & upper-middle river (context)Enquiry
The upper-middle river around Mallow, including Longueville House Fishery, Carrigoon and the Ballygarret beat, plus Mallow town and club water.
Upper Blackwater & Kerry-Cork headwaters (context)Access varies
Catchment context only: the Mullaghareirk and Kerry headwaters and the upper Cork Blackwater above Mallow are brown-trout, juvenile-salmon and conservation water.
Tributaries — Bride, Glenshelane, Finisk & others (context)Access varies
System context only: the Bride, Glenshelane and Finisk are associated tributaries explicitly named in the 2026 Lismore District catch-and-release listing, and the Awbeg, Araglin, Funshion, Allow and Dalua need separate access and status checks.
Permits & access
Permit required — see local rules.
  • Multiple beats, many private
  • Careysville and Blackwater Lodge are premium beats
  • Day tickets on some stretches
  • State rod licence required.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
River Bride (Blackwater)
19 km
Brown trout · Sea trout
River Owenacurra
24 km
Salmon · Sea trout
Lower Lee
36 km
Brown trout · Salmon
River Nire
41 km
Brown trout
River Colligan
45 km
Brown trout · Salmon · Sea trout
Gallery · 5
  1. The weir on the Munster Blackwater at Fermoy, County Cork, fast water over the sill.
    Fermoy Weir, Munster Blackwater
  2. The River Blackwater flowing through the valley between Mallow and Fermoy, County Cork.
    The River Blackwater between Mallow and Fermoy
  3. River Blackwater at Lismore, County Waterford, looking westward from the N72 bridge.
    River Blackwater at Lismore
  4. The River Blackwater in spate after rain, viewed from Roskeen Bridge, County Cork.
    Blackwater River after rain, Roskeen Bridge
  5. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown
What this classification means

EPA WFD 2019-2024 — Moderate ecological status; corrected (was Good) 2026-06-18. Source: EPA Ireland WFD 2019-2024 classification (catchments.ie / EDEN).

EPA (Ireland) · IESW_18B021510

The full read · show the working · for Atlantic Salmon · confidence 75%
How the river scores — hydrology factors
Water heightHigh But Manageable+0.8
Recent riseSmall Recent Rise+3.0
Falling after liftStill Rising Hard-0.6
Water temperatureCool To Moderate+3.3
Time in seasonLate Season-0.7
ClarityClearing+2.4
Hydrology base8.2
Will they take?Willingcaps the band

Fish should be willing to take — clearing, stained water.

Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
What would change the calculation
No prolonged stable spell before the current rise.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Salmon 1 February → 30 SeptemberC&R
5 zones — different rules apply
  • Private fishery

    Careysville Fishery — premier middle-river beat with 26 named pools, downstream of Fermoy

    • Salmon: 1 February → 30 September
  • Private fishery

    Lismore Castle Fishery — top beat in the lower river, consistently strong

    • Salmon: 1 February → 30 September
  • Private fishery

    Fortwilliam Fishery — 2 miles, 5 numbered beats below Fermoy

    • Salmon: 1 February → 30 September
  • Club or association water

    Blackwater Salmon Fishery — 5 miles of middle river, club-managed

    • Salmon: 1 February → 30 September
  • Ifi managed or mixed

    Upper river — Mallow, Banteer, Killavullen and other upper-Blackwater beats; mix of IFI-managed water and local clubs

    • Salmon: 1 February → 30 September

Sea trout: Variable seasonal (2026)

Related guides
Atlantic Salmonsalmon tacticsIrish Salmon Rivers Guidefive great salmon fisheriesConnemaraIrish fishing
Casting instructors near here
Booking & contacts
Clubs & associations
  • Cappoquin S&TAA
    Primary club for this water · Permit required · Cappoquin Salmon and Trout Anglers Association waters · Check current permit route with the association.
  • Blackwater Salmon Fishery
    Day tickets
  • Blackwater Lodge and Salmon Fishery
    Day tickets