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Fishing Llyn Llagi: what the data says
13-acre lake near Gwynedd. The lake tops out around 54 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. What the data behind the map says about each species, season by season:
Llyn Llagi maps at 13 acres behind 0.5 miles of shoreline. A shoreline index of 1 says round and simple: fish relate to depth changes here, not shoreline features. About 17% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone.
Brown Trout fishing at Llyn Llagi
In spring, brown trout run shallow here, mostly 3 to 25 ft. Summer pushes them deeper, 16 to 54 ft, and winter fish settle into 5 to 35 ft. Shoreline break is the standout, a drop-off at roughly 24 ft, rated prime for summer brown trout. Time it for after dark and early morning. You won't need more than a spoon at the thermocline or a deep stickbait (night) most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Shoreline break (24 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 16 to 54 ft | night & dawn | Shoreline break (24 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Shoreline break (24 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 35 ft | dawn | Shoreline break (24 ft) | Jigging spoon, Small stickbait (slow) |
European Perch fishing at Llyn Llagi
Spring european perch on Llyn Llagi hold shallow, usually 3 to 12 ft. By summer they slide out to 8 to 28 ft, and by winter most fish are in 12 to 33 ft. The chart's best answer is Shallow bay flat — weed flat, 6 ft, prime for spring. Prime time lands in early morning. The summer box starts with a drop-shot micro plastics or a small crankbait (perch pattern).
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (6 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Shoreline break (24 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Shoreline break (24 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Shoreline break (24 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Llyn Llagi
When the water first warms, northern pike slide up into 2 to 8 ft. By summer they slide out to 8 to 20 ft, and by winter most fish are in 5 to 15 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Keep a bucktail or a weedless spoon over cabbage rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (6 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Shallow bay flat (6 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Shallow bay flat (6 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (6 ft) | Tip-ups, Large jigging spoon |
Arctic Char fishing at Llyn Llagi
Start shallow in spring: arctic char sit in 4 to 15 ft that time of year. Warm water sends them out to 16 to 54 ft; cold water stacks them in 10 to 40 ft. Top water on the chart: Deep basin, a deep basin in the 46-ft range, prime in summer. Fish it in early morning and you'll meet the bite. Throw a jigging spoon vertical or a tube jig (smelt) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | midday & dawn | open water | Small casting spoon (silver/orange), Jerkbait (small) |
| Summer | 16 to 54 ft | dawn | Deep basin (46 ft) | Jigging spoon vertical, Tube jig (smelt) |
| Fall | 8 to 30 ft | midday & dusk | Shoreline break (24 ft) | Casting spoon (orange/gold), Beadhead streamer |
| Winter | 10 to 40 ft | midday & dawn | Shoreline break (24 ft) | Jigging spoon (glow/silver), Tungsten jig + plastic |
Notable structure
- Deep basin: deep basin, around 46 ft
- Shoreline break: drop-off, around 24 ft
- Shallow bay flat: weed flat, around 6 ft
Common questions
How deep is Llyn Llagi?
Llyn Llagi is about 54 ft (16 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Llyn Llagi?
Anglers target northern pike, european perch, brown trout, arctic char on Llyn Llagi. This isn't a survey of the water — none is published for it — but an informed estimate from the species common to the region, narrowed by this water's depth, size and each species' range.
Where is the best fishing spot on Llyn Llagi?
Shallow bay flat is the top-rated area: a weed flat in about 6 ft of water that rates prime for european perch in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Llyn Llagi?
For brown trout, the summer bite is best in after dark and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Llyn Edno 1 mi · Llyn Gwynant 2 mi · Llynnau Barlwyd 4 mi · Llynau Diwaunedd 4 mi · Llyn Llydaw 4 mi · Llyn Teyrn 4 mi · Glaslyn 4 mi · Llyn Cwmffynnon 5 mi · Llyn y Gader 6 mi · Llyn Du 6 mi · Llyn Gamallt Fach 6 mi · Llyn Llenyrch 7 mi
See how Llyn Llagi stacks up: best northern pike lakes in United Kingdom · best european perch lakes in United Kingdom · best brown trout lakes in United Kingdom · best arctic char lakes in United Kingdom
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