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39-acre lake near South Ayrshire. The lake tops out around 12 ft. Contours on this water are modeled from its actual shoreline and max depth. Good for finding likely water, never for navigation. Every species below gets its seasonal read from the same numbers driving the chart.
The drawn water covers 39 acres wrapped in 1.5 miles of bank. With a 1.7 development index there's bank structure worth casting at, in moderation. The whole water is littoral — nothing here runs deeper than ~15 ft, so it's all weed-and-bait territory. Tip to tip the water measures near 0.6 mi with a 0.2-mi widest point. It sits in South Ayrshire. Its nearest charted neighbour, Loch Finlas, is 1 mi to the east.
Spring puts brown trout in skinny water — 1 to 12 ft is the zone. Summer fish stay in 4 to 12 ft, and winter fish hold in 2 to 12 ft. Break off the point is the standout, a drop-off at roughly 5 ft, rated prime for summer brown trout. Plan around after dark and early morning in the warm months. A spoon at the thermocline or a deep stickbait (night) covers the summer program.
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 12 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 | 4 to 12 ft chart-limited; documented 25 to 60 ft | night & dawn | Break off the point (5 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 2 to 12 ft chart-limited; documented 5 to 30 ft | dusk & dawn | Main-lake point (8 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 2 to 12 ft chart-limited; documented 5 to 35 ft | dawn | Break off the point (5 ft) | Jigging spoon, Small stickbait (slow) |
Early season european perch use the shallows, holding in 3 to 12 ft. Even in summer they hold at 3 to 12 ft; winter keeps them in 4 to 12 ft. The chart's best answer is Deep basin — deep basin, 10 ft, prime for fall. Best bite is early morning. Tie on a drop-shot micro plastics or a small crankbait (perch pattern) and you're in the game.
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 (5 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 3 to 12 ft chart-limited; documented 8 to 28 ft | dawn | Deep basin (10 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 4 to 12 ft chart-limited; documented 10 to 33 ft | midday | Deep basin (10 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 4 to 12 ft chart-limited; documented 12 to 33 ft | midday & dawn | Deep basin (10 ft) | Tungsten jig + maggots, Small balance jig |
Come spring, look for northern pike tight to the bank in 2 to 8 ft. They move out to 4 to 12 ft in summer and finish the year down in 4 to 12 ft. If you only fish one area, make it Break off the point: a drop-off around 5 ft that scores prime in fall. Best bite is early morning and the evening. A bucktail or a weedless spoon over cabbage 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 | 2 to 8 ft | midday & dawn | open water | #5 inline spinner, Spoon (red/white) |
| Summer | 4 to 12 ft chart-limited; documented 8 to 20 ft | dawn & dusk | Break off the point (5 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 4 to 12 ft chart-limited; documented 6 to 18 ft | midday & dawn | Break off the point (5 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 4 to 12 ft chart-limited; documented 5 to 15 ft | midday | Main-lake point (8 ft) | Tip-ups, Large jigging spoon |
The chart marks 4 structure features on Derclach Loch; the deepest is Deep basin at about 10 ft.
Derclach Loch is about 12 ft (4 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 Derclach Loch. 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 10 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.
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 Finlas 1 mi · Loch Doon 3 mi · Loch Riecawr 4 mi · Cornish Loch 4 mi · Loch Muck 4 mi · Loch Macaterick 5 mi · Loch Enoch 9 mi · Kirriereoch Loch 9 mi · Loch Harrow 9 mi · Loch Minnoch 10 mi · Loch Moan 10 mi · Loch Dungeon 10 mi
See how Derclach Loch 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: South Ayrshire 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.