Stillwater · Granite · North West / Donegal

Rosses Lakes Fisheries

Rosses Lakes Fisheries terrain map

The Rosses — the rough stony country between Dungloe and the Atlantic — holds approximately 130 small wild brown trout loughs spread across a few square kilometres of blanket bog and quartzite moorland.

Fair · Trout
Bibio · 10-12
Fairlive now
Green Peter evening rise expected on Rosses Lakes Fisheries
Useful ripple, fishable wave. Worth a session if the wind holds.
54% confidence

Rosses Lakes Fisheries is often best in spring through autumn.

What moved it
  • WindNW 24 km/hModerate breeze
Today's fly
Bibio
Bibio10-12
High-confidence seasonal pick
Conditions on the water
Live gauge
Wind
Moderate breeze
NW 24 km/h
N
NW
from the north-west
Wave40 cm chop
Water temp
Air temp15°C
CloudOvercast
Pressure1022 hPa
Rain · recent0.0 mm

Some readings unavailable — check directly before fishing.

Stale water· 0.3 mm in 48h

Little recent rain — fresh fish runs unlikely. Focus on resident fish and established lies.

How to fish it · for Trout
When
May–September; late summer daddy-long-legs fishing is the highlight
Where
Work Bibio on the bob and Sooty Olive on the point. Have a sedge or murrough pattern ready on a short leader for the evening rise.
The plan
Plan A

Work Bibio on the bob and Sooty Olive on the point. Have a sedge or murrough pattern ready on a short leader for the evening rise.

Plan B

If the main plan is not working, switch to a smaller, more imitative pattern fished slower and deeper. A change of drift angle can also make a difference.

Watch for

Evening tends to be the best period in summer — stay late if you can for a sedge or spinner fall.

Boat — at anchor

Windy conditions suit anchoring in productive areas rather than open-water drifting.

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 5 with Pro.

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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
2
2
1
Daddy Long LegsHatch
2
3
2
Murrough (Great Red Sedge)Hatch
2
3
2
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Lake OliveHatch
1
2
2
2
2
2
1

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

Ranked for today
Trout fly box
Permits & access
Permit required — see local rules.
  • Rosses Anglers' Club — day permits from Dungloe
  • Some loughs have specific access rules (fly-only, boat-only)
  • State rod licence required.
What's coming
Plan ahead
5-day outlook
Condition match
57%
Cloud50%
Wind30%
Temp100%

A reasonable day here, though wind isn't quite in the sweet spot.

Other water nearby · 5
About this water

The Rosses — the rough stony country between Dungloe and the Atlantic — holds approximately 130 small wild brown trout loughs spread across a few square kilometres of blanket bog and quartzite moorland. It is probably the densest concentration of accessible wild trout water in Ireland. The lakes vary from half an acre to twenty — most are unfished except by locals, but the Rosses Anglers' Club manages a significant portion and issues day permits for boats and bank fishing. Fish average around the half-pound mark but wild trout to 2 lb are possible on the better loughs. Sea trout enter the system via the short connecting rivers when water is high. This is not destination fishing in the conventional sense — you need local knowledge or a willingness to explore — but for the angler prepared to read the terrain and fish creatively, it is some of the finest wild-trout country in Ireland.

Hatches & food

No venue-specific hatch data yet; as an oligotrophic upland lough, expect a sparse but present midge, olive and sedge food base typical of Donegal's upland waters — a general expectation for this water type, not an observed hatch.

  • Lake
  • Granite
Water quality (WFD)
  • EcologyUnknown
  • ChemicalUnknown
Why this score
  • Wind conditions (windy) are not ideal for this water.
  • Temperature (cool) is in the sweet spot for summer fishing.
  • Green Peter is in its seasonal window, boosting the chance of targeted feeding.
Directions
Seasons & zones
  • Trout 15 February12 October
Related guides
Casting instructors near here
Booking & contacts