Stillwater · Granite · North West / Donegal, IE

Rosses Lakes Fisheries

Lake in the Rosses - Flickr - Liamfm .

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
Green Peter · 10-12
Fairlive now
Daddy Longlegs expected on Rosses Lakes Fisheries
Useful ripple, fishable wave. Worth a session if the wind holds.
56% confidence

Rosses Lakes Fisheries is often best in spring through autumn.

What moved it
  • WindSE 29 km/hFresh breeze
Today's fly
Green Peter
Green Peter10-12
Proven pattern for this period
Conditions on the water
Estimate
Wind
Fresh breeze
SE 29 km/h
N
SE
from the south-east
Wave60 cm wave
Water temp12.5°C
Air temp14°C
CloudOvercast
Pressure1016 hPa
Rain · recent0.0 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

Stale water· 2 mm in 48h

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

Head to
Wind driftSE wind
North-western end

A southeasterly has held for 18 hours at much the same temperature as the 13°C water. No thermal steer either way, but the drift still stacks food against the north-western end — the bank it is blowing into — so start there. This reads the upper water, though — a bottom bait at range feels it far less than a floater or a fish in the margins. Treat it as a tiebreaker between good swims rather than an override — features and angling pressure usually count for more.

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 Black Pennell on the point.
The plan
Plan A

Work Bibio on the bob and Black Pennell on the point.

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

Keep an eye on changing conditions — wind shifts and cloud breaks can trigger short feeding spells.

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 3 guilds as a supporter.

Start free trial

14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 5 as a supporter.

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14-day free trial. Cancel anytime.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
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
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
Gallery · 2
  1. Lake in the Rosses - Flickr - Liamfm .
  2. Terrain map of the venue
    Terrain map
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)
  • Ecology: Unknown
  • Chemical: Unknown
Why this score
  • Wind conditions (windy) are not ideal for this water.
  • Temperature (cool) is in the sweet spot for autumn fishing.
  • Lake Olive is in its seasonal window, boosting the chance of targeted feeding.
Directions
Seasons & zones
  • Trout 15 February → 12 October
Related guides
Casting instructors near here
Booking & contacts