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50-acre lake near Highland. The lake tops out around 32 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The depth data here comes from Murray & Pullar's Scottish loch survey of 1903, digitized from the bathymetric atlas published in 1910. Every species below gets its seasonal read from the same numbers driving the chart.
Loch Ceo Glais maps at 50 acres behind 2 miles of shoreline. A middling shoreline index (2) gives it some bays to work without being a maze. 91% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. End to end it runs roughly 0.9 mi. It sits in Highland. If the bite dies, Loch Ruthven is 2 mi to the east.
The spring pattern is a shallow one: brown trout in 3 to 25 ft. Midsummer fish sit out in 10 to 32 ft before dropping to 5 to 32 ft for winter. The spot to know is Deep basin, a deep basin in about 32 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 (6 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 10 to 32 ft chart-limited; documented 25 to 60 ft | night & dawn | Deep basin (32 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Main-lake point (6 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 32 ft chart-limited; documented 5 to 35 ft | dawn | Break off the point (6 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 8 to 28 ft in summer and finish the year down in 10 to 32 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 4 ft that scores prime in spring. 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 | Shallow bay flat (4 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Break off the point (6 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 32 ft chart-limited; documented 10 to 33 ft | midday | Deep basin (32 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 10 to 32 ft chart-limited; documented 12 to 33 ft | midday & dawn | Deep basin (32 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 Shallow bay flat — weed flat, 4 ft, prime for spring. 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 | Shallow bay flat (4 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (6 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (6 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (4 ft) | Tip-ups, Large jigging spoon |
In spring, arctic char run shallow here, mostly 4 to 15 ft. Summer pushes them deeper, 10 to 32 ft, and winter fish settle into 8 to 32 ft. Deep basin is the standout, a deep basin at roughly 32 ft, rated prime for summer arctic char. Time it for early morning. You won't need more than a jigging spoon vertical or a tube jig (smelt) 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 | 4 to 15 ft | midday & dawn | Break off the point (6 ft) | Small casting spoon (silver/orange), Jerkbait (small) |
| Summer | 10 to 32 ft chart-limited; documented 20 to 60 ft | dawn | Deep basin (32 ft) | Jigging spoon vertical, Tube jig (smelt) |
| Fall | 8 to 30 ft | midday & dusk | Break off the point (6 ft) | Casting spoon (orange/gold), Beadhead streamer |
| Winter | 8 to 32 ft chart-limited; documented 10 to 40 ft | midday & dawn | Deep basin (32 ft) | Jigging spoon (glow/silver), Tungsten jig + plastic |
Count 6 structure marks on this chart. The deepest, Deep basin, sits near 32 ft.
Loch Ceo Glais is about 32 ft (10 m) deep at its deepest point. The depth data here comes from Murray & Pullar's Scottish loch survey of 1903, digitized from the bathymetric atlas published in 1910.
Anglers target brown trout, european perch, northern pike, arctic char on Loch Ceo Glais. 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 4 ft of water that rates prime for european perch in spring. The interactive chart above rates every spot for each 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 Ruthven 2 mi · Loch a Choire 2 mi · Loch Duntelchaig or Loch nan Geadas 2 mi · Loch Ashie 5 mi · Loch a Chlachan 5 mi · Loch Laide 5 mi · Loch Dochfour 6 mi · Loch Mhor 6 mi · Loch Ness 7 mi · Loch Dubh 8 mi · Loch Bran 8 mi · Loch nam Breac Dearga 9 mi
See how Loch Ceo Glais stacks up: best northern pike lakes in United Kingdom · best european perch lakes in United Kingdom · best brown trout lakes in United Kingdom · best arctic char lakes in United Kingdom
More water nearby: Highland fishing maps (242 charts). Browse all United Kingdom fishing maps. See every water on DepthScout. Bathymetry: published agency survey data. 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.