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Fishing Llyn yr Wyth-Eidion: what the data says
3-acre lake near Isle of Anglesey. The lake tops out around 30 ft. Contours on this water are modeled from its actual shoreline and max depth. Good for finding likely water, never for navigation. Species by species, here's what the data says the year looks like.
The drawn water covers 3 acres wrapped in 0.3 miles of bank. Nearly circular (index 1.1), so the story is the bottom, not the bank. 38% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water.
Brown Trout fishing at Llyn yr Wyth-Eidion
The spring pattern is a shallow one: brown trout in 3 to 25 ft. As the season builds they drop to 9 to 30 ft, wintering in 4 to 30 ft. Top water on the chart: Shoreline break, a drop-off in the 14-ft range, prime in summer. Time it for after dark and early morning. Summer baits: a spoon at the thermocline or a deep stickbait (night) gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Shoreline break (14 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 9 to 30 ft | night & dawn | Shoreline break (14 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Shoreline break (14 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 4 to 30 ft | dawn | Shoreline break (14 ft) | Jigging spoon, Small stickbait (slow) |
European Perch fishing at Llyn yr Wyth-Eidion
Come spring, look for european perch tight to the bank in 3 to 12 ft. Expect a summer slide to 8 to 28 ft, then a winter hold in 9 to 30 ft. Start at Shallow bay flat. It's a weed flat holding about 4 ft of water and rates prime come spring. Prime time lands in early morning. A drop-shot micro plastics or a small crankbait (perch pattern) is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (4 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Deep basin (26 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 9 to 30 ft | midday | Deep basin (26 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 9 to 30 ft | midday & dawn | Deep basin (26 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Llyn yr Wyth-Eidion
Early season northern pike use the shallows, holding in 2 to 8 ft. Expect a summer slide to 8 to 20 ft, then a winter hold in 5 to 15 ft. Put Shallow bay flat first on the milk run — a weed flat near 4 ft that grades prime for spring. In summer the feeding windows fall in early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (4 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Shoreline break (14 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Shoreline break (14 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (4 ft) | Tip-ups, Large jigging spoon |
Arctic Char fishing at Llyn yr Wyth-Eidion
In spring, arctic char run shallow here, mostly 4 to 15 ft. Midsummer fish sit out in 9 to 30 ft before dropping to 8 to 30 ft for winter. Summer arctic char concentrate at Deep basin, a prime-rated deep basin around 26 ft. Fish it in early morning and you'll meet the bite. You won't need more than a jigging spoon vertical or a tube jig (smelt) most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | midday & dawn | Shoreline break (14 ft) | Small casting spoon (silver/orange), Jerkbait (small) |
| Summer | 9 to 30 ft | dawn | Deep basin (26 ft) | Jigging spoon vertical, Tube jig (smelt) |
| Fall | 8 to 30 ft | midday & dusk | Shoreline break (14 ft) | Casting spoon (orange/gold), Beadhead streamer |
| Winter | 8 to 30 ft | midday & dawn | Deep basin (26 ft) | Jigging spoon (glow/silver), Tungsten jig + plastic |
Notable structure
- Deep basin: deep basin, around 26 ft
- Shoreline break: drop-off, around 14 ft
- Shallow bay flat: weed flat, around 4 ft
Common questions
How deep is Llyn yr Wyth-Eidion?
Llyn yr Wyth-Eidion is about 30 ft (9 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 yr Wyth-Eidion?
Anglers target northern pike, european perch, brown trout, arctic char on Llyn yr Wyth-Eidion. 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 yr Wyth-Eidion?
Shallow bay flat is the top-rated area: a weed flat in about 4 ft of water that rates prime for european perch in spring. The interactive chart above rates every spot for each species and season.
When is the best time to fish Llyn yr Wyth-Eidion?
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 Cadarn 1 mi · Llyn Alaw 6 mi · Llyn Coron 9 mi · Llyn Penrhyn 10 mi · Llyn Dinam 10 mi · Llyn Padarn 14 mi · Llyn Anafon 16 mi · Llyn Peris 16 mi · Llyn Idwal 17 mi · Llyn Ogwen 17 mi · Llyn Cwellyn 18 mi · Llyn Bochlwyd 18 mi
See how Llyn yr Wyth-Eidion 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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