Spate · Mixed · Co. Tyrone / Lough Neagh Tributaries, GB-NIR

Ballinderry River

Ballinderry River venue image

The Ballinderry is a Lough Neagh tributary renowned for excellent wild brown trout fishing and autumn dollaghan runs.

Tomorrow · Closed season
Stonefly Nymph
Forecast · Tomorrow
Closed season
Out of season. Try elsewhere.
90% projected
Today's fly
Stonefly Nymph
Stonefly Nymph
Conditions on the water · Tomorrow
Live gauge
Level
Steady
0.51 m
Water temp8.3°C
ClarityClear
Weather7°C
WindN 23 km/h
Pressure1006 hPa
Rain · recent0.5 mm
Rain · ahead2.2 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
Cool — slow
8°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
Gammarids
Hatch timeline · tomorrowPeak at 11am

12pm(now) — Autumn Needle Fly

Stage: Creeping nymphsApproach: Heavy nymphActivity: 72%
Also:Autumn Olive40%Black Midge29%
Peak emergence window5 food groups active

Peak activity at 11am — Autumn Needle Fly (Autumn Needle 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

Supporters see what else is on the menu.

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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 · November highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
March BrownHatch
2
3
2
CapererHatch
2
3
3
2
Heather FlyHatch
2
2
Autumn DunHatch
2
3
2

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

Ranked for today
Brown Trout fly box
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
River Blackwater (NI)
13 km
0
Brown trout · Dollaghan
River Moyola
23 km
0
Brown trout · Salmon · Dollaghan
Annaginny Fishery
5.0 km
Rainbow trout
Annaginny Fishery
5.0 km
Rainbow trout
Lough Neagh
21 km
Brown trout · Pike · Dollaghan
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

A mid-sized river with varied character — riffles, pools, and glides through agricultural country. Brown trout average 8–10 oz with fish to 2 lb throughout. Dollaghan enter from July and provide exciting autumn sport. Managed by local clubs with affordable day tickets.

Hatches & food

No venue-specific hatch data yet; as a spate river draining basalt and peat country, expect modest upwing and sedge activity typical of these lowland Ulster streams, topped up by terrestrial falls after summer rain — a general expectation, not an observed hatch.

  • Mixed
The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature70 × 28%19.6
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity61 × 12%7.3
Conditions total= 76
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 March → 30 September
Related guides
ConnemaraIrish fishingYorkshire & SpidersNorth Country methodsEuro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts
At a glance

Ballinderry River is a spate river in Co. Tyrone / Lough Neagh Tributaries, Northern Ireland. It sits at about 73 m above sea level. The river is described as roughly 27 km long. Our data lists brown trout and dollaghan here. The trout season is recorded as running from 1 March to 30 September. Best window recorded for anglers: May–July (brown trout), July–October (dollaghan). Core methods listed: upstream dry fly and nymph; across and down wet fly team; streamer for dollaghan at dusk. Level and flow data for this water is linked from 1 gauge. Nearby waters in our listings include Annaginny Fishery at 5.0 km, Annaginny Fishery at 5.0 km and River Blackwater (NI) at 13 km.