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Fishing Llyn Gamallt Fach: what the data says
7-acre lake near Gwynedd. The lake tops out around 17 ft. These contours are modeled — built from the real shoreline and the water's maximum depth — so read them as a guide, never as navigation. Here's the year, species by species, as the scoring engine sees it.
The drawn water covers 7 acres wrapped in 0.5 miles of bank. The basin is a simple one (shoreline index 1.3) — close to a bowl, so the structure on the chart matters more than the bank. 88% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water.
Brown Trout fishing at Llyn Gamallt Fach
Start shallow in spring: brown trout sit in 2 to 17 ft that time of year. The depth story barely changes: 5 to 17 ft through summer, 2 to 17 ft in winter. The spot to know is Break off the point, a drop-off in about 8 ft of water that rates prime for brown trout in summer. Warm-month bites cluster around after dark and early morning. 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 | 2 to 17 ft | dawn & dusk | Main-lake point (8 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 5 to 17 ft | night & dawn | Break off the point (8 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 3 to 17 ft | dusk & dawn | Main-lake point (8 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 2 to 17 ft | dawn | Break off the point (8 ft) | Jigging spoon, Small stickbait (slow) |
European Perch fishing at Llyn Gamallt Fach
When the water first warms, european perch slide up into 3 to 12 ft. By summer they slide out to 5 to 17 ft, and by winter most fish are in 5 to 17 ft. If you only fish one area, make it Deep basin: a deep basin around 14 ft that scores prime in fall. In summer the feeding windows fall in 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 | 3 to 12 ft | midday & dawn | open water | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 5 to 17 ft | dawn | Deep basin (14 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 5 to 17 ft | midday | Deep basin (14 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 5 to 17 ft | midday & dawn | Deep basin (14 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Llyn Gamallt Fach
Spring northern pike on Llyn Gamallt Fach hold shallow, usually 2 to 8 ft. By summer they slide out to 5 to 17 ft, and by winter most fish are in 5 to 15 ft. The chart's best answer is Break off the point — drop-off, 8 ft, prime for fall. Prime time lands in 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 8 ft | midday & dawn | open water | #5 inline spinner, Spoon (red/white) |
| Summer | 5 to 17 ft | dawn & dusk | Break off the point (8 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 5 to 17 ft | midday & dawn | Break off the point (8 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Main-lake point (8 ft) | Tip-ups, Large jigging spoon |
Notable structure
- Deep basin: deep basin, around 14 ft
- Main-lake point: point, around 8 ft
- Break off the point: drop-off, around 8 ft
Common questions
How deep is Llyn Gamallt Fach?
Llyn Gamallt Fach is about 17 ft (5 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 Gamallt Fach?
Anglers target northern pike, european perch, brown trout on Llyn Gamallt Fach. 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 Gamallt Fach?
Deep basin is the top-rated area: a deep basin in about 14 ft of water that rates prime for european perch in fall. Scroll up to the map for the complete spot list by species and season.
When is the best time to fish Llyn Gamallt Fach?
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 Conwy 2 mi · Llynnau Barlwyd 3 mi · Llyn y Garn 4 mi · Llyn Arenig Fach 5 mi · Llyn Trawsfynydd 6 mi · Llyn Edno 6 mi · Llyn Llagi 6 mi · Llynau Diwaunedd 7 mi · Llyn Llenyrch 7 mi · Llyn Celyn 8 mi · Llyn Gwynant 8 mi · Llyn Tecwyn Isaf 9 mi
See how Llyn Gamallt Fach stacks up: best northern pike lakes in United Kingdom · best european perch lakes in United Kingdom · best brown trout lakes in United Kingdom
Browse all United Kingdom fishing maps or see every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.