Spate · Mixed · Co. Tyrone / Lough Neagh Tributaries

Ballinderry River

Ballinderry River venue image

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

Marginal · Brown Trout
Partridge and Orange · 14-16
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
  • Level0.43 mLast reading 7h ago
  • Water temp19.1°C
  • ClarityClear
Today's fly
Partridge and Orange
Partridge and Orange14-16
Upstream
Conditions on the water
Live gauge
Level
Steady
0.43 m
Last reading 7h ago
Water temp19.1°C
ClarityClear
Weather19°C
WindSW 10 km/h
Pressure1020 hPa
Rain · recent0.0 mm
Rain · ahead2.1 mm

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

Water temperature for Brown Trout
Warm — slow
19°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 19.1°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 6am

Hatch predictions

Today's headline hatch shown — see all 7 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 2 with Pro.

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Evidence
Survey-backed · regionalHigh confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Updated 24 hours ago

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
Daddy Long LegsHatch
2
3
2
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
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
Water here around 19°C. Nothing cooler within range — carry a thermometer.
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

The Ballinderry is a Lough Neagh tributary renowned for excellent wild brown trout fishing and autumn dollaghan runs. 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 80%
How the 33 is built — score × weight = contribution
Temperature38 × 28%10.6
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time75 × 13%9.8
Pressure80 × 7%5.6
Insect activity60 × 12%7.2
Conditions total= 68
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 March → 30 September
Related guides
ConnemaraIrish fishingYorkshire & SpidersNorth Country methodsEuro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts