Loch a Chroisg Depth Map & Fishing Spots (UK)

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Lake depth chart

Loch a Chroisg, UK

Max 168 ft

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Where to start

Sedge season & the Murrough window is on — see the hatch outlook

Hatch outlook

Sedge season & the MurroughActive window

Typical here: Jun 1 – Sep 30 · the Murrough and Green Peter are lough patterns from July, peaking the last weeks of August; evening sedge fishing runs to the season close

pupawarm summer evenings as the light fades
adultlate evening into dark, on calm water — the great red sedge is large enough to provoke explosive surface takes from big trout — fished dry off the shorelines and on the drift

Big-fish-on-top fishing in the last two hours of light — the sedge weeks of late August produce some of the best days of the lough year.

The evening sedge pulls big trout to the shorelines in low light — exactly when small surface plugs and slow-twitched 4–5cm minnowbaits shine along the rocky shores and weed edges; or run a bubble float with a dry Murrough behind it, twitched on the pause.

The event happens over lough shorelines, rocky shallows and weed edges on warm, calm summer evenings

Daddy-Long-Legs (crane fly)Active window

Typical here: Jul 1 – Oct 15 · dapped daddies documented from early July on Corrib; the famous window is mid-August through September, with grasshopper dapping in the same weeks

adultdaytime, on a drift with a wave — best on the breezy days that blow craneflies off the banks — the documented method is dapping: a natural or artificial daddy on a long rod and floss line, skipping across the surface ahead of the drifting boat; a dry daddy on the drift is the modern equivalent

The autumn wake-up: big trout that ignored everything through June and July suddenly become aggressive — often the largest browns of the season on a dry fly.

Fish the windward drifts where the terrestrials land — surface plugs twitched on a wave, or a bubble float trailing a daddy skipped on the surface (dapping with spin gear, effectively). The late-season big-fish window before the September close.

The event happens over windward shorelines, island shallows and drift lines on breezy August–September days

Next on this water

Buzzers & Duckfly (chironomids) · midgeMar 15 – Jun 30 · in ~6 months

Spring roach spawn (predator event) · baitfishApr 15 – Jun 15 · in ~7 months

Hawthorn Fly · terrestrialsApr 18 – May 15 · in ~7 months

The Mayfly (Ephemera danica) · mayflyApr 25 – Jul 5 · in ~7 months

Recommendations come from depth structure and seasonal species behavior. Treat them as a starting point, not a guarantee. Contours on this water are approximations. Never use for navigation. Always check local regulations.

Depth · ft

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Recent catches at Loch a Chroisg

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Fishing Loch a Chroisg: what the data says

634-acre lake near Highland. The lake tops out around 168 ft. What you see is a modeled chart: the shoreline is real, the max depth is published, and the contours between are estimated. Plan with it; don't navigate by it. What follows comes from the same scoring engine that paints the spots above.

On the chart, Loch a Chroisg draws 633 acres inside 7.7 miles of shoreline. That shoreline is heavily fingered (development index 2.2) — bays, points and pockets everywhere, which multiplies the fishable edge. Roughly 6% of the water is 15 ft or less as modeled, the band where the food chain lives. The basin spans about 3.4 mi end to end and 0.5 mi across at its widest. You'll find it in Highland. Closest neighbour on DepthScout: Loch Crann, 2 mi west of here.

Brown Trout fishing at Loch a Chroisg

When the water first warms, brown trout slide up into 3 to 25 ft. By summer they slide out to 25 to 60 ft, and by winter most fish are in 5 to 35 ft. If you only fish one area, make it Main-lake point: a point around 42 ft that scores prime in summer. In summer the feeding windows fall in after dark and early morning. Keep a spoon at the thermocline or a deep stickbait (night) rigged through the warm months.

Season	Depth	Best window	Start at	Go-to baits
Spring	3 to 25 ft	dawn & dusk	open water	Stickbait off planer boards (shallow), Small spoon along mud lines
Summer	25 to 60 ft	night & dawn	Main-lake point (42 ft)	Spoon at the thermocline, Deep stickbait (night)
Fall	5 to 30 ft	dusk & dawn	open water	Jerkbait over gravel, Casting spoon
Winter	5 to 35 ft	dawn	open water	Jigging spoon, Small stickbait (slow)

European Perch fishing at Loch a Chroisg

Start shallow in spring: european perch sit in 3 to 12 ft that time of year. Summer pushes them deeper, 8 to 28 ft, and winter fish settle into 12 to 33 ft. The spot to know is Shallow bay flat, a feeding flat in about 6 ft of water that rates prime for european perch in spring. Warm-month bites cluster around early morning. Throw a drop-shot micro plastics or a small crankbait (perch pattern) until the fish tell you otherwise.

Season	Depth	Best window	Start at	Go-to baits
Spring	3 to 12 ft	midday & dawn	Shallow bay flat (6 ft)	Small jig + curly tail, Inline spinner #1-2
Summer	8 to 28 ft	dawn	Shallow bay flat (6 ft)	Drop-shot micro plastics, Small crankbait (perch pattern)
Fall	10 to 33 ft	midday	open water	Jigging spoon (small), Drop-shot on deep flats
Winter	12 to 33 ft	midday & dawn	open water	Tungsten jig + maggots, Small balance jig

Northern Pike fishing at Loch a Chroisg

The spring pattern is a shallow one: northern pike in 2 to 8 ft. Midsummer fish sit out in 8 to 20 ft before dropping to 5 to 15 ft for winter. The spot to know is Shallow bay flat, a feeding flat in about 6 ft of water that rates prime for northern pike in spring. Plan around early morning and the evening in the warm months. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 8 ft	midday & dawn	Shallow bay flat (6 ft)	#5 inline spinner, Spoon (red/white)
Summer	8 to 20 ft	dawn & dusk	Shallow bay flat (6 ft)	Bucktail, Weedless spoon over cabbage
Fall	6 to 18 ft	midday & dawn	Shallow bay flat (6 ft)	Big rubber (Bull Dawg style), Husky-style jerkbait
Winter	5 to 15 ft	midday	Shallow bay flat (6 ft)	Tip-ups, Large jigging spoon

Arctic Char fishing at Loch a Chroisg

Spring arctic char on Loch a Chroisg hold shallow, usually 4 to 15 ft. They move out to 20 to 60 ft in summer and finish the year down in 10 to 40 ft. Put Shallow bay flat first on the milk run — a feeding flat near 6 ft that grades good for spring. The feeding windows run early morning. The summer box starts with a jigging spoon vertical or a tube jig (smelt).

Season	Depth	Best window	Start at	Go-to baits
Spring	4 to 15 ft	midday & dawn	Shallow bay flat (6 ft)	Small casting spoon (silver/orange), Jerkbait (small)
Summer	20 to 60 ft	dawn	Break off the point (76 ft)	Jigging spoon vertical, Tube jig (smelt)
Fall	8 to 30 ft	midday & dusk	open water	Casting spoon (orange/gold), Beadhead streamer
Winter	10 to 40 ft	midday & dawn	open water	Jigging spoon (glow/silver), Tungsten jig + plastic

Notable structure

Loch a Chroisg carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 143 ft down.

Deep basin: deep basin, around 143 ft
Break off the point: drop-off, around 76 ft
Main-lake point: point, around 42 ft
Secondary point: point, around 42 ft
Shallow bay flat: feeding flat, around 6 ft
Back-bay flat: feeding flat, around 6 ft

Common questions

How deep is Loch a Chroisg?

Loch a Chroisg is about 168 ft (51 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.

What fish are in Loch a Chroisg?

Anglers target brown trout, european perch, northern pike, arctic char on Loch a Chroisg. 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.

Where is the best fishing spot on Loch a Chroisg?

Shallow bay flat is the top-rated area: a feeding flat in about 6 ft of water that rates prime for european perch in spring. Scroll up to the map for the complete spot list by species and season.

When is the best time to fish Loch a Chroisg?

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.

Nearby waters

Loch Crann 2 mi · Upper Loch Gowan 2 mi · Loch Gowan 2 mi · Loch Sgamhain 4 mi · Loch Coulin 7 mi · Loch Fannich 7 mi · Loch Clair 8 mi · Loch Beannacharain 8 mi · Loch Toll Lochain 9 mi · Loch a Bhraoin 10 mi · Lochan Fada 10 mi · Lochan Uaine 10 mi

See how Loch a Chroisg 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. 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.