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32-acre lake in Cochrane District, Ontario. The lake tops out around 50 ft. The depth chart comes from Ontario Ministry of Natural Resources and Forestry bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The depth data here comes from the Ontario MNRF survey of 1973, a decades-old survey (an MNRF lake survey). What the data behind the map says about each species, season by season:
On the chart, West Twin Lake draws 31 acres inside 1.7 miles of shoreline. A development index of 2.2 means a maze of bays and points: far more casting targets than a round bowl of the same size. Roughly 90% of the water is 15 ft or less, the band where the food chain lives. Figure 0.8 mi of water from one end to the other, 0.2 mi at the beam. You'll find it in Cochrane District. Closest neighbour on DepthScout: Fisher Lake, 0 mi east of here.
Spring puts brook trout in skinny water — 2 to 15 ft is the zone. As the season builds they drop to 10 to 30 ft, wintering in 3 to 20 ft. Summer brook trout concentrate at Deep basin, a prime-rated deep basin around 31 ft. Warm-month bites cluster around early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (1 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Deep basin (31 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (1 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Break off the point (2 ft) | Small jigging spoon, Tungsten jig + plastic |
Spring puts splake in skinny water — 5 to 25 ft is the zone. Warm water sends them out to 15 to 50 ft; cold water stacks them in 10 to 45 ft. Deep basin is the standout, a deep basin at roughly 31 ft, rated prime for summer splake. Plan around early morning and the evening in the warm months. A trolled spoon at the thermocline or a white tube jig (deep) covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dawn & dusk | Main-lake point (1 ft) | Small casting spoon (gold/orange), Inline spinner |
| Summer | 15 to 50 ft | dawn & dusk | Deep basin (31 ft) | Trolled spoon at the thermocline, White tube jig (deep) |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (1 ft) | Casting spoon, Jerkbait |
| Winter | 10 to 45 ft | dawn | Deep basin (31 ft) | Jigging spoon tipped with minnow head, Small white tube |
When the water first warms, brown trout slide up into 3 to 25 ft. By summer they slide out to 15 to 50 ft, and by winter most fish are in 5 to 35 ft. If you only fish one area, make it Deep basin: a deep basin around 31 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 | Main-lake point (1 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 15 to 50 ft | night & dawn | Deep basin (31 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Main-lake point (1 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 35 ft | dawn | Deep basin (31 ft) | Jigging spoon, Small stickbait (slow) |
When the water first warms, yellow perch slide up into 3 to 12 ft. Summer is a 10 to 30 ft game here, winter a 15 to 35 ft one. Start at Deep basin. It's a deep basin holding about 31 ft of water and rates prime come fall. The feeding windows run early morning. Keep a drop-shot micro plastics or a small spoon tipped with worm rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (1 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Deep basin (31 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Deep basin (31 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Deep basin (31 ft) | Tungsten jig + spikes, Rattle spoon (small) |
West Twin Lake carries 5 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 31 ft down.
Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to West Twin Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
West Twin Lake is about 50 ft (15 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1973, a decades-old survey (an MNRF lake survey).
Anglers target brook trout, splake, brown trout, yellow perch on West Twin Lake.
Deep basin is the top-rated area: a deep basin in about 31 ft of water that rates prime for yellow perch in fall. Open the map above to see every rated spot for each species and season.
For brook trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on West Twin Lake is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Fisher Lake 0 mi · Hughes Lake 1 mi · Spring Lake 1 mi · Irrigation Lake 1 mi · Mud Lake 2 mi · Bullfrog Lake 2 mi · Leg of Lamb Lake 2 mi · Point Lake 2 mi · Deer Lake 2 mi · La Viollette Lake 2 mi · Slab Lake 3 mi · Pexton Lake 3 mi
See how West Twin Lake stacks up: best yellow perch lakes in Ontario · best brown trout lakes in Ontario · best brook trout lakes in Ontario · best splake lakes in Ontario
More water nearby: Cochrane District fishing maps (673 charts). Browse all Ontario fishing maps or 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.