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Fishing Llyn Dinam: what the data says
24-acre lake near Isle of Anglesey. The lake tops out around 6 ft. Depth here is modeled from the true shoreline and max depth rather than surveyed; use it to plan, not to navigate. Species by species, here's what the data says the year looks like.
The drawn water covers 24 acres wrapped in 1.2 miles of bank. A middling shoreline index (1.7) gives it some bays to work without being a maze. There is no deep basin to speak of — the entire surface is under ~15 ft, prime weed water end to end.
Brown Trout fishing at Llyn Dinam
Start shallow in spring: brown trout sit in 1 to 6 ft that time of year. There's no big seasonal slide here — summer means 2 to 6 ft, winter 1 to 6 ft. Top water on the chart: Break off the point, a drop-off in the 3-ft range, prime in summer. Fish it in after dark and early morning and you'll meet the bite. Throw a spoon at the thermocline or a deep stickbait (night) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | dawn & dusk | Main-lake point (6 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 2 to 6 ft | night & dawn | Break off the point (3 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 1 to 6 ft | dusk & dawn | Main-lake point (6 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 1 to 6 ft | dawn | Break off the point (3 ft) | Jigging spoon, Small stickbait (slow) |
European Perch fishing at Llyn Dinam
When the water first warms, european perch slide up into 2 to 6 ft. Summer fish stay in 2 to 6 ft, and winter fish hold in 2 to 6 ft. Start at Deep basin. It's a deep basin holding about 5 ft of water and rates prime come fall. The feeding windows run early morning. Keep a drop-shot micro plastics or a small crankbait (perch pattern) rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 6 ft | midday & dawn | open water | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 2 to 6 ft | dawn | Deep basin (5 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 2 to 6 ft | midday | Deep basin (5 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 2 to 6 ft | midday & dawn | Deep basin (5 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Llyn Dinam
Spring northern pike on Llyn Dinam hold shallow, usually 2 to 6 ft. The depth story barely changes: 2 to 6 ft through summer, 2 to 6 ft in winter. Put Break off the point first on the milk run — a drop-off near 3 ft that grades prime for fall. The feeding windows run early morning and the evening. The summer box starts with a bucktail or a weedless spoon over cabbage.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 6 ft | midday & dawn | open water | #5 inline spinner, Spoon (red/white) |
| Summer | 2 to 6 ft | dawn & dusk | Break off the point (3 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 2 to 6 ft | midday & dawn | Break off the point (3 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 2 to 6 ft | midday | Main-lake point (6 ft) | Tip-ups, Large jigging spoon |
Notable structure
- Main-lake point: point, around 6 ft
- Secondary point: point, around 6 ft
- Deep basin: deep basin, around 5 ft
- Break off the point: drop-off, around 3 ft
Common questions
How deep is Llyn Dinam?
Llyn Dinam is about 6 ft (2 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 Dinam?
Anglers target northern pike, european perch, brown trout on Llyn Dinam. 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 Dinam?
Deep basin is the top-rated area: a deep basin in about 5 ft of water that rates prime for european perch in fall. Every other rated spot, per species and season, is on the map above.
When is the best time to fish Llyn Dinam?
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 Penrhyn 0 mi · Llyn Coron 6 mi · Llyn Alaw 8 mi · Llyn yr Wyth-Eidion 10 mi · Llyn Cadarn 11 mi · Llyn Padarn 19 mi · Llynnau Cwm Silyn 21 mi · Llyn Peris 21 mi · Llyn Cwellyn 21 mi · Llynnau Cwm Silyn 21 mi · Llyn y Gader 22 mi · Llyn Idwal 24 mi
See how Llyn Dinam 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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