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21-acre lake near Carmarthenshire. The lake tops out around 26 ft. Bathymetry on this water is estimated from its real outline and maximum depth. Use it to shortlist water, then verify with your electronics — and never navigate by it. What follows comes from the same scoring engine that paints the spots above.
Llyn Pencarreg maps at 21 acres behind 0.8 miles of shoreline. The basin is a simple one (shoreline index 1.2) — close to a bowl, so the structure on the chart matters more than the bank. Littoral water — the productive band under ~15 ft — makes up 26% of this chart, as modeled. Tip to tip the water measures near 0.3 mi with a 0.2-mi widest point. It sits in Carmarthenshire. If the bite dies, Lower Talley Lake is 9 mi to the southeast.
The spring pattern is a shallow one: brown trout in 3 to 25 ft. Midsummer fish sit out in 8 to 26 ft before dropping to 4 to 26 ft for winter. The spot to know is Break off the point, a drop-off in about 12 ft of water that rates prime for brown trout in summer. Plan around after dark and early morning in the warm months. Summer baits: a spoon at the thermocline or a deep stickbait (night) gets it done.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Main-lake point (8 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 8 to 26 ft chart-limited; documented 25 to 60 ft | night & dawn | Break off the point (12 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 4 to 26 ft chart-limited; documented 5 to 30 ft | dusk & dawn | Main-lake point (8 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 4 to 26 ft chart-limited; documented 5 to 35 ft | dawn | Break off the point (12 ft) | Jigging spoon, Small stickbait (slow) |
Come spring, look for european perch tight to the bank in 3 to 12 ft. They move out to 7 to 26 ft in summer and finish the year down in 8 to 26 ft. If you only fish one area, make it Deep basin: a deep basin around 22 ft that scores prime in fall. Best bite is early morning. A drop-shot micro plastics or a small crankbait (perch pattern) is the honest summer answer here.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Break off the point (12 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 7 to 26 ft chart-limited; documented 8 to 28 ft | dawn | Deep basin (22 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 8 to 26 ft chart-limited; documented 10 to 33 ft | midday | Deep basin (22 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 8 to 26 ft chart-limited; documented 12 to 33 ft | midday & dawn | Deep basin (22 ft) | Tungsten jig + maggots, Small balance jig |
Early season northern pike use the shallows, holding in 2 to 8 ft. Summer is an 8 to 20 ft game here, winter a 5 to 15 ft one. The chart's best answer is Break off the point — drop-off, 12 ft, prime for fall. Best bite is 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 | open water | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (12 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (12 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 |
The chart marks 3 structure features on Llyn Pencarreg; the deepest is Deep basin at about 22 ft.
Llyn Pencarreg is about 26 ft (8 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.
Anglers target brown trout, european perch, northern pike on Llyn Pencarreg. 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.
Deep basin is the top-rated area: a deep basin in about 22 ft of water that rates prime for european perch in fall. The map above holds the full rated-spot list for every species and season.
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.
Lower Talley Lake 9 mi · Upper Talley Lake 10 mi · Llyn Fanod 12 mi · Llyn Eiddwen 14 mi · Maes-Llyn 14 mi · Llyn Berwyn 15 mi · Llyn Llech Owain 19 mi · Llyn Gynon 20 mi · Llyn Teifi 20 mi · Usk Reservoir 20 mi · Llyn Egnant 21 mi · Llyn Hîr 21 mi
See how Llyn Pencarreg stacks up: best northern pike lakes in United Kingdom · best european perch lakes in United Kingdom · best brown trout lakes in United Kingdom
More water nearby: Carmarthenshire fishing maps (5 charts). Browse all United Kingdom fishing maps. See every water on DepthScout. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.