Lake depth chart
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Recent public catches load as you reach this section.
8-acre lake near Argyll and Bute. The lake tops out around 6 ft. The contours come from a model of the real basin shape and its known max depth. Read them as probabilities, not soundings, and keep them out of navigation decisions. The rest of this page walks each species through its year, using the map's own scoring.
Drawn out, this is 8 acres of water rimmed by 0.6 miles of bank. Index 1.6 on the shoreline: a few honest points and pockets, nothing labyrinthine. All of it is shallow-zone water — under ~15 ft across the entire basin, so the food chain has the run of the place. Figure 0.3 mi of water from one end to the other. You'll find it in Argyll and Bute. Closest neighbour on DepthScout: Loch Tanna, 11 mi east of here.
Spring brown trout on Loch na Naich hold shallow, usually 1 to 6 ft. Depth-wise the year is flat: 2 to 6 ft in summer, 1 to 6 ft once it turns cold. The chart's best answer is Break off the point — drop-off, 3 ft, prime for summer. Prime time lands in after dark and early morning. The summer box starts with a spoon at the thermocline or a deep stickbait (night).
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 | 1 to 6 ft chart-limited; documented 3 to 25 ft | dawn & dusk | Main-lake point (6 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 2 to 6 ft chart-limited; documented 25 to 60 ft | night & dawn | Break off the point (3 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 1 to 6 ft chart-limited; documented 5 to 30 ft | dusk & dawn | Main-lake point (6 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 1 to 6 ft chart-limited; documented 5 to 35 ft | dawn | Break off the point (3 ft) | Jigging spoon, Small stickbait (slow) |
In spring, european perch run shallow here, mostly 2 to 6 ft. Summer keeps them at 2 to 6 ft, and they winter in 2 to 6 ft. Deep basin is the standout, a deep basin at roughly 5 ft, rated prime for fall european perch. Time it for early morning. You won't need more than a drop-shot micro plastics or a small crankbait (perch pattern) most summer days.
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 | 2 to 6 ft chart-limited; documented 3 to 12 ft | midday & dawn | Break off the point (3 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 2 to 6 ft chart-limited; documented 8 to 28 ft | dawn | Deep basin (5 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 2 to 6 ft chart-limited; documented 10 to 33 ft | midday | Deep basin (5 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 2 to 6 ft chart-limited; documented 12 to 33 ft | midday & dawn | Deep basin (5 ft) | Tungsten jig + maggots, Small balance jig |
In spring, northern pike run shallow here, mostly 2 to 6 ft. Summer keeps them at 2 to 6 ft, and they winter in 2 to 6 ft. Fall northern pike concentrate at Break off the point, a prime-rated drop-off around 3 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a bucktail or a weedless spoon over cabbage most summer days.
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 | 2 to 6 ft chart-limited; documented 2 to 8 ft | midday & dawn | open water | #5 inline spinner, Spoon (red/white) |
| Summer | 2 to 6 ft chart-limited; documented 8 to 20 ft | dawn & dusk | Break off the point (3 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 2 to 6 ft chart-limited; documented 6 to 18 ft | midday & dawn | Break off the point (3 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 2 to 6 ft chart-limited; documented 5 to 15 ft | midday | Main-lake point (6 ft) | Tip-ups, Large jigging spoon |
Structure-wise the chart holds 3 features, led in depth by Main-lake point at roughly 6 ft.
Loch na Naich 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.
Anglers target brown trout, european perch, northern pike on Loch na Naich. 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 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.
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.
Loch Tanna 11 mi · Loch Fad or Kirk Dam 24 mi · Loch nan Ròn 24 mi · unnamed 29 mi · Loch Tigh-sealga 30 mi · Loch Glas-bheinn 33 mi · Loch na Sgorra 34 mi · Loch Conailbhe 34 mi · Loch Thom 36 mi · Kilbirnie Loch 37 mi · Gryfe Reservoirs 37 mi · Loch Ederline 37 mi
See how Loch na Naich 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: Argyll and Bute fishing maps (41 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.