Mayflies
Stoneflies
Caddisflies
Chironomids
Gammarids
- Ecology: Good
- Chemical: Unknown
What this classification means
EPA WFD 2019-2024 — Good ecological status; corrected (was Moderate) 2026-06-18. Source: EPA Ireland WFD 2019-2024 classification (catchments.ie / EDEN).
EPA (Ireland) · IENW_37E050200
Rules at a glance
- Permit required
- Barbless
- C&R only
Water temperature for Atlantic Salmon
Ideal15°C est.ideal 10–16°C
0°14°28°
How to fish it · for Atlantic Salmon
When
Spring from March; grilse from June; main run summer through September. Eske is a small spate system — quick rises after rain, quick drops.
Where
Lower Eske and the lough margins. The river runs small; named pools through the short fishable stretch.
Method
Small doubles 10 to 12 across-and-down on a floating line; small tubes on a sink-tip in spring water. Catch-and-release encouraged across most Irish salmon water.
Kit
10 ft #7 single-hander on the smaller spate rivers; 11 ft switch where the river opens out. Floating line plus light sink-tip. 10 to 12 lb fluoro tippet.
Why this works
The river is in textbook shape. River dropping nicely into shape after a lift — textbook conditions. Clearing nicely — classic taking conditions. 13.3°C — in the ideal taking range for autumn salmon. This is the window experienced salmon anglers wait for — if you can get to the river, go now.
Likely species
Caddisflies
- Green SedgeMost likelyLower confidenceNearest relative#10–12–14–16 · NymphFree-living green caddis larva; fast stony riffles.
- CapererAlso possibleLower confidence#10–12 · AdultBig autumn sedge; fish dry at last light.
- Net-spinning caddisAlso possibleLower confidenceNearest relative#12–14–16 · PupaWidespread riffle net-spinner; evening emergence.
- Large sedgesAlso possibleNearest relative#8–10 · AdultBig waked sedge in the last light and after dark.
Hatch timeline · todayPeak at 12:00
12:00(now) — Heather Fly
Stage: Terrestrials on topApproach: Dry flyActivity: 84%
Also:Daddy Long Legs51%Pond Olive30%
Peak emergence windowWeather boost9 food groups active
Peak activity at 12:00 — 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.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Top prey shown — see all 5 as a supporter.
Start free trial14-day free trial. Cancel anytime.
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
1
Sea trout runRun
1
2
2
2
2
2
1
Heather FlyHatch
2
2
Daddy Long LegsHatch
2
3
2
Claret DunHatch
2
3
2
Murrough (Great Red Sedge)Hatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Fly box · Atlantic Salmon
Permits & access
Free state water
State rod licence required for trout / salmon as applicable.
- Lough Eske system, near Donegal town
- Mixed access
- State rod licence required.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Lough Eske near Harvey's Point, Donegal Terrain map
Water quality (WFD)
The full read · show the working · for Atlantic Salmon · confidence 75%
How the river scores — hydrology factors
Water heightMedium Ideal+2.3
Recent riseSmall Recent Rise+3.3
Falling after liftDropping Nicely Into Shape+4.5
Water temperatureCool To Moderate+3.0
Time in seasonLate Season+0.5
ClarityClearing+2.4
Hydrology base16.0
Rules that fired
Clearing After Spate Bonus+1
Residents stale — long since a spate-0.75
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 / flowproxy via Gweebarraproxy
What would change the calculation
No prolonged stable spell before the current rise.
Directions
Seasons & zones
- Salmon 1 April → 30 SeptemberC&R
- Sea trout 1 March → 30 September
Sea trout: Variable seasonal (2026) — Eske is historically a real Donegal sea-trout system but should not be oversold without fresh per-season catch evidence. Donegal-cluster identity (Eske, Eske Donegal lough) is real and valuable but operates at regional rather than national-flagship scale.
Related guides
Casting instructors near here
Booking & contacts
Eske / Lough Eske
Water temperature for Atlantic Salmon
Ideal15°C est.ideal 10–16°C
0°14°28°
How to fish it · for Atlantic Salmon
When
Spring from March; grilse from June; main run summer through September. Eske is a small spate system — quick rises after rain, quick drops.
Where
Lower Eske and the lough margins. The river runs small; named pools through the short fishable stretch.
Method
Small doubles 10 to 12 across-and-down on a floating line; small tubes on a sink-tip in spring water. Catch-and-release encouraged across most Irish salmon water.
Kit
10 ft #7 single-hander on the smaller spate rivers; 11 ft switch where the river opens out. Floating line plus light sink-tip. 10 to 12 lb fluoro tippet.
Why this works
The river is in textbook shape. River dropping nicely into shape after a lift — textbook conditions. Clearing nicely — classic taking conditions. 13.3°C — in the ideal taking range for autumn salmon. This is the window experienced salmon anglers wait for — if you can get to the river, go now.
Likely species
Caddisflies
- Green SedgeMost likelyLower confidenceNearest relative#10–12–14–16 · NymphFree-living green caddis larva; fast stony riffles.
- CapererAlso possibleLower confidence#10–12 · AdultBig autumn sedge; fish dry at last light.
- Net-spinning caddisAlso possibleLower confidenceNearest relative#12–14–16 · PupaWidespread riffle net-spinner; evening emergence.
- Large sedgesAlso possibleNearest relative#8–10 · AdultBig waked sedge in the last light and after dark.
Hatch timeline · todayPeak at 12:00
12:00(now) — Heather Fly
Stage: Terrestrials on topApproach: Dry flyActivity: 84%
Also:Daddy Long Legs51%Pond Olive30%
Peak emergence windowWeather boost9 food groups active
Peak activity at 12:00 — 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.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Top prey shown — see all 5 as a supporter.
Start free trial14-day free trial. Cancel anytime.
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
1
Sea trout runRun
1
2
2
2
2
2
1
Heather FlyHatch
2
2
Daddy Long LegsHatch
2
3
2
Claret DunHatch
2
3
2
Murrough (Great Red Sedge)Hatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Fly box · Atlantic Salmon
Permits & access
Free state water
State rod licence required for trout / salmon as applicable.
- Lough Eske system, near Donegal town
- Mixed access
- State rod licence required.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Lough Eske near Harvey's Point, Donegal Terrain map
Water quality (WFD)
- Ecology: Good
- Chemical: Unknown
What this classification means
EPA WFD 2019-2024 — Good ecological status; corrected (was Moderate) 2026-06-18. Source: EPA Ireland WFD 2019-2024 classification (catchments.ie / EDEN).
EPA (Ireland) · IENW_37E050200
The full read · show the working · for Atlantic Salmon · confidence 75%
How the river scores — hydrology factors
Water heightMedium Ideal+2.3
Recent riseSmall Recent Rise+3.3
Falling after liftDropping Nicely Into Shape+4.5
Water temperatureCool To Moderate+3.0
Time in seasonLate Season+0.5
ClarityClearing+2.4
Hydrology base16.0
Rules that fired
Clearing After Spate Bonus+1
Residents stale — long since a spate-0.75
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 / flowproxy via Gweebarraproxy
What would change the calculation
No prolonged stable spell before the current rise.
Directions
Seasons & zones
- Salmon 1 April → 30 SeptemberC&R
- Sea trout 1 March → 30 September
Sea trout: Variable seasonal (2026) — Eske is historically a real Donegal sea-trout system but should not be oversold without fresh per-season catch evidence. Donegal-cluster identity (Eske, Eske Donegal lough) is real and valuable but operates at regional rather than national-flagship scale.
Related guides
Casting instructors near here
Booking & contacts