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581-acre lake near Orkney Islands. The lake tops out around 9 ft. Depth here is modeled from the true shoreline and max depth rather than surveyed; use it to plan, not to navigate. Here's the year, species by species, as the scoring engine sees it.
The outline encloses 580 acres, worked by 5.2 miles of shoreline. With a 1.5 development index there's bank structure worth casting at, in moderation. 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 2 mi of water from one end to the other, 0.8 mi at the beam. Orkney Islands claims this one. Its nearest charted neighbour, Loch of Hundland, is 2 mi to the east.
In spring, brown trout run shallow here, mostly 1 to 9 ft. Summer keeps them at 3 to 9 ft, and they winter in 1 to 9 ft. Deep basin is the standout, a deep basin at roughly 8 ft, rated prime for summer brown trout. Time it for after dark and early morning. You won't need more than a spoon at the thermocline or a deep stickbait (night) 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 | 1 to 9 ft chart-limited; documented 3 to 25 ft | dawn & dusk | Main-lake point (8 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 3 to 9 ft chart-limited; documented 25 to 60 ft | night & dawn | Deep basin (8 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 2 to 9 ft chart-limited; documented 5 to 30 ft | dusk & dawn | Main-lake point (8 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 1 to 9 ft chart-limited; documented 5 to 35 ft | dawn | Deep basin (8 ft) | Jigging spoon, Small stickbait (slow) |
Spring european perch on Loch of Boardhouse hold shallow, usually 2 to 9 ft. Depth-wise the year is flat: 3 to 9 ft in summer, 3 to 9 ft once it turns cold. The chart's best answer is Shallow bay flat — weed flat, 3 ft, prime for spring. Prime time lands in early morning. The summer box starts with a drop-shot micro plastics or a small crankbait (perch pattern).
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 9 ft chart-limited; documented 3 to 12 ft | midday & dawn | Shallow bay flat (3 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 3 to 9 ft chart-limited; documented 8 to 28 ft | dawn | Deep basin (8 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 3 to 9 ft chart-limited; documented 10 to 33 ft | midday | Deep basin (8 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 3 to 9 ft chart-limited; documented 12 to 33 ft | midday & dawn | Deep basin (8 ft) | Tungsten jig + maggots, Small balance jig |
When the water first warms, northern pike slide up into 2 to 8 ft. By summer they slide out to 3 to 9 ft, and by winter most fish are in 3 to 9 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Keep a bucktail or a weedless spoon over cabbage rigged through the warm months.
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 8 ft | midday & dawn | Shallow bay flat (3 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 3 to 9 ft chart-limited; documented 8 to 20 ft | dawn & dusk | Shallow bay flat (3 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 3 to 9 ft chart-limited; documented 6 to 18 ft | midday & dawn | Shallow bay flat (3 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 3 to 9 ft chart-limited; documented 5 to 15 ft | midday | Shallow bay flat (3 ft) | Tip-ups, Large jigging spoon |
Count 5 structure marks on this chart. The deepest, Main-lake point, sits near 8 ft.
Loch of Boardhouse is about 9 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.
Anglers target brown trout, european perch, northern pike on Loch of Boardhouse. 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.
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.
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 of Hundland 2 mi · Loch of Swannay 3 mi · Loch of Harray 6 mi · Loch of Stenness 8 mi · Muckle Water 8 mi · Peerie Water 8 mi · Loch of Kirbister 13 mi · Loch of Tankerness 19 mi · Lochs of Geniefea 19 mi · Hoglinns Water 22 mi · Loch of Easter Head 31 mi · St Johns Loch 33 mi
See how Loch of Boardhouse 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: Orkney Islands fishing maps (11 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.