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Fishing Tal-y-llyn Lake: what the data says
125-acre lake near Gwynedd. The lake tops out around 11 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. The season-by-season read for each species follows, from the map's own numbers.
Tal-y-llyn Lake maps at 125 acres behind 2.5 miles of shoreline. A middling shoreline index (1.6) gives it some bays to work without being a maze. Every acre of it sits shallower than ~15 ft: one big littoral zone, cover and forage throughout.
Brown Trout fishing at Tal-y-llyn Lake
In spring, brown trout run shallow here, mostly 1 to 11 ft. There's no big seasonal slide here — summer means 3 to 11 ft, winter 2 to 11 ft. Summer brown trout concentrate at Break off the point, a prime-rated drop-off around 5 ft. Fish it in after dark and early morning and you'll meet the bite. 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 | 1 to 11 ft | dawn & dusk | Main-lake point (8 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 3 to 11 ft | night & dawn | Break off the point (5 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 2 to 11 ft | dusk & dawn | Main-lake point (8 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 2 to 11 ft | dawn | Break off the point (5 ft) | Jigging spoon, Small stickbait (slow) |
European Perch fishing at Tal-y-llyn Lake
Spring european perch on Tal-y-llyn Lake hold shallow, usually 3 to 11 ft. The depth story barely changes: 3 to 11 ft through summer, 3 to 11 ft in winter. Put Shallow bay flat first on the milk run — a weed flat near 3 ft that grades prime for spring. The feeding windows run 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 11 ft | midday & dawn | Shallow bay flat (3 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 3 to 11 ft | dawn | Deep basin (9 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 3 to 11 ft | midday | Deep basin (9 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 3 to 11 ft | midday & dawn | Deep basin (9 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Tal-y-llyn Lake
When the water first warms, northern pike slide up into 2 to 8 ft. Summer is a 3 to 11 ft game here, winter a 3 to 11 ft one. Start at Shallow bay flat. It's a weed flat holding about 3 ft of water and rates prime come spring. The feeding windows run 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 (3 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 3 to 11 ft | dawn & dusk | Shallow bay flat (3 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 3 to 11 ft | midday & dawn | Shallow bay flat (3 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 3 to 11 ft | midday | Shallow bay flat (3 ft) | Tip-ups, Large jigging spoon |
Notable structure
- Deep basin: deep basin, around 9 ft
- Main-lake point: point, around 8 ft
- Secondary point: point, around 8 ft
- Break off the point: drop-off, around 5 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
Common questions
How deep is Tal-y-llyn Lake?
Tal-y-llyn Lake is about 11 ft (3 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 Tal-y-llyn Lake?
Anglers target northern pike, european perch, brown trout on Tal-y-llyn Lake. 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 Tal-y-llyn Lake?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for european perch in spring. The map above holds the full rated-spot list for every species and season.
When is the best time to fish Tal-y-llyn Lake?
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 Cau 1 mi · Llyn y Gadair 2 mi · Llyn Gwernan 4 mi · Llyn Glanmerin 7 mi · Llyn Cwm-mynach 9 mi · Llyn Erddyn 9 mi · Llyn Dulyn 10 mi · Llyn Bodlyn 10 mi · Llyn Penrhaeadr 11 mi · Llyn y Bi 11 mi · Llyn Hywel 11 mi · Glaslyn 12 mi
See how Tal-y-llyn Lake stacks up: best northern pike lakes in United Kingdom · best european perch lakes in United Kingdom · best brown trout lakes in United Kingdom
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