Lake depth chart
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50-acre lake near Na h-Eileanan an Iar. The lake tops out around 27 ft. The chart is a model: real shoreline, published maximum depth, interpolated in between. A planning tool, never a navigation product. What follows comes from the same scoring engine that paints the spots above.
Drawn out, this is 50 acres of water rimmed by 2.1 miles of bank. Index 2.1 on the shoreline: a few honest points and pockets, nothing labyrinthine. About 80% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone. Figure 0.6 mi of water from one end to the other, 0.4 mi at the beam. The water lies in Na h-Eileanan Siar. For a second option, Loch nan Deas Phoirt lies 1 mi west.
Spring brown trout on Loch Bhaltois or Loch Valtos hold shallow, usually 3 to 25 ft. They move out to 8 to 27 ft in summer and finish the year down in 4 to 27 ft. Put Break off the point first on the milk run — a drop-off near 12 ft that grades prime for summer. The feeding windows run after dark and early morning. The summer box starts with a spoon at the thermocline or a deep stickbait (night).
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 (8 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 8 to 27 ft chart-limited; documented 25 to 60 ft | night & dawn | Break off the point (12 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 27 ft chart-limited; documented 5 to 30 ft | dusk & dawn | Main-lake point (8 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 4 to 27 ft chart-limited; documented 5 to 35 ft | dawn | Break off the point (12 ft) | Jigging spoon, Small stickbait (slow) |
In spring, european perch run shallow here, mostly 3 to 12 ft. Midsummer fish sit out in 8 to 27 ft before dropping to 8 to 27 ft for winter. Spring european perch concentrate at Shallow bay flat, a prime-rated weed flat around 3 ft. Fish it in early morning and you'll meet the bite. You won't need more than a drop-shot micro plastics or a small crankbait (perch pattern) 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 | 3 to 12 ft | midday & dawn | Shallow bay flat (3 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 27 ft chart-limited; documented 8 to 28 ft | dawn | Deep basin (23 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 8 to 27 ft chart-limited; documented 10 to 33 ft | midday | Deep basin (23 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 8 to 27 ft chart-limited; documented 12 to 33 ft | midday & dawn | Deep basin (23 ft) | Tungsten jig + maggots, Small balance jig |
In spring, northern pike run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring northern pike. Time it for early morning and the evening. You won't need more than a bucktail or a weedless spoon over cabbage most summer days.
| 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 (12 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (12 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 |
Loch Bhaltois or Loch Valtos carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 23 ft down.
Loch Bhaltois or Loch Valtos is about 27 ft (8 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 Bhaltois or Loch Valtos. 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. 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 nan Deas Phoirt 1 mi · Loch Dhomhnaill Bhig 2 mi · Loch Sgiobacleit or Loch Sgibacleit 3 mi · Loch Trealabhal or Loch Trealaval 3 mi · Loch Stranndabhat or Loch Strandavat 4 mi · Loch Fad a Gobha or Loch Fadagoa 5 mi · Loch Blar Na Fola 5 mi · Loch a Chlachain 7 mi · Loch Bhatandìob or Loch Vatandip 8 mi · unnamed 8 mi · Loch Langabhat or Loch Langavat 9 mi · Loch Airigh na Lic 9 mi
See how Loch Bhaltois or Loch Valtos 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: Na h-Eileanan Siar fishing maps (84 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.