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Fishing Loch Tarruinn an Eithir: what the data says
37-acre lake near Na h-Eileanan an Iar. The lake tops out around 23 ft. The chart is a model: real shoreline, published maximum depth, interpolated in between. A planning tool, never a navigation product. What the data behind the map says about each species, season by season:
Traced from the shoreline, Loch Tarruinn an Eithir runs 37 acres with 2.9 miles of edge. That shoreline is heavily fingered (development index 3.3) — bays, points and pockets everywhere, which multiplies the fishable edge. About 88% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone.
Brown Trout fishing at Loch Tarruinn an Eithir
Early season brown trout use the shallows, holding in 3 to 23 ft. The depth story barely changes: 7 to 23 ft through summer, 3 to 23 ft in winter. Put Break off the point first on the milk run — a drop-off near 10 ft that grades prime for summer. In summer the feeding windows fall in after dark and early morning. Tie on a spoon at the thermocline or a deep stickbait (night) and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 23 ft | dawn & dusk | Main-lake point (8 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 7 to 23 ft | night & dawn | Break off the point (10 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 4 to 23 ft | dusk & dawn | Main-lake point (8 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 3 to 23 ft | dawn | Break off the point (10 ft) | Jigging spoon, Small stickbait (slow) |
European Perch fishing at Loch Tarruinn an Eithir
Spring puts european perch in skinny water — 3 to 12 ft is the zone. As the season builds they drop to 7 to 23 ft, wintering in 7 to 23 ft. Spring european perch concentrate at Shallow bay flat, a prime-rated weed flat around 3 ft. Warm-month bites cluster around early morning. A drop-shot micro plastics or a small crankbait (perch pattern) covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (3 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 7 to 23 ft | dawn | Deep basin (20 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 7 to 23 ft | midday | Deep basin (20 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 7 to 23 ft | midday & dawn | Deep basin (20 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Loch Tarruinn an Eithir
Spring puts northern pike in skinny water — 2 to 8 ft is the zone. Warm water sends them out to 8 to 20 ft; cold water stacks them in 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring northern pike. Plan around early morning and the evening in the warm months. A bucktail or a weedless spoon over cabbage covers the summer program.
| 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 | 8 to 20 ft | dawn & dusk | Break off the point (10 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (10 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (3 ft) | Tip-ups, Large jigging spoon |
Notable structure
- Deep basin: deep basin, around 20 ft
- Break off the point: drop-off, around 10 ft
- Main-lake point: point, around 8 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
Common questions
How deep is Loch Tarruinn an Eithir?
Loch Tarruinn an Eithir is about 23 ft (7 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 Tarruinn an Eithir?
Anglers target northern pike, european perch, brown trout on Loch Tarruinn an Eithir. 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 Tarruinn an Eithir?
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.
When is the best time to fish Loch Tarruinn an Eithir?
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 Scadabhagh or Loch Scadavay 1 mi · Loch a Chladaich 1 mi · Loch Deòireabhat 1 mi · Loch na Coithir-Eileana 1 mi · Loch a Bhuird 2 mi · Loch na Còinnich 2 mi · Loch na Moracha 2 mi · Loch Thundair or Loch Hunder 2 mi · Loch a Chonnachair 2 mi · Loch na Garbh-abhainn Ard 2 mi · Loch ic Colla 3 mi · Loch Obasaraigh or Loch Obisary 3 mi
See how Loch Tarruinn an Eithir stacks up: best northern pike lakes in United Kingdom · best european perch lakes in United Kingdom · best brown trout lakes in United Kingdom
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