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Rating depth structure for rainbow trout.
Recent public catches load as you reach this section.
17-acre lake in Cowichan Valley Regional District, British Columbia. The lake tops out around 30 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Below is the species-by-species picture, pulled from the same data the map uses.
On the chart, Dimple Lake draws 17 acres inside 0.9 miles of shoreline. The shoreline is moderately structured (index 1.5) — enough points and pockets to pattern. 96% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. Call it 0.4 mi long. The water lies in Cowichan Valley Regional District. For a second option, Doe Lake lies 2 mi west.
In spring, brook trout run shallow here, mostly 2 to 15 ft. Midsummer fish sit out in 10 to 30 ft before dropping to 3 to 20 ft for winter. Summer brook trout concentrate at Deep basin, a prime-rated deep basin around 19 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a small spoon fished deep or a trolled lake-clear wobbler + worm most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (3 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Deep basin (19 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (3 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Deep basin (19 ft) | Small jigging spoon, Tungsten jig + plastic |
Come spring, look for cutthroat trout tight to the bank in 3 to 15 ft. They move out to 9 to 30 ft in summer and finish the year down in 8 to 30 ft. If you only fish one area, make it Secondary point: a point around 5 ft that scores prime in fall. Best bite is early morning and the evening. A trolled spoon (small) or an inline spinner is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Main-lake point (3 ft) | Inline spinner (silver/gold), Small spoon |
| Summer | 9 to 30 ft | dawn & dusk | Break off the point (7 ft) | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Secondary point (5 ft) | Casting spoon, Inline spinner |
| Winter | 8 to 30 ft | dawn | Break off the point (7 ft) | Small jigging spoon, Marabou jig |
Spring puts rainbow trout in skinny water — 5 to 20 ft is the zone. Warm water sends them out to 8 to 30 ft; cold water stacks them in 6 to 30 ft. Break off the point is the standout, a drop-off at roughly 7 ft, rated prime for winter rainbow trout. Plan around early morning and the evening in the warm months. A dodger + spoon (deep troll) or a flutter spoon covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Secondary point (5 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (7 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 9 to 30 ft | dawn & dusk | Secondary point (5 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 6 to 30 ft | dawn | Break off the point (7 ft) | Jigging spoon, Tube jig (white) |
Count 4 structure marks on this chart. The deepest, Deep basin, sits near 19 ft.
Season dates, license requirements, and size and bag limits for British Columbia waters are set by the BC freshwater fishing synopsis — and special regulations can apply to Dimple Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Dimple Lake is about 30 ft (9 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target brook trout, cutthroat trout, rainbow trout on Dimple Lake.
Secondary point is the top-rated area: a point in about 5 ft of water that rates prime for cutthroat trout in fall. Every other rated spot, per species and season, is on the map above.
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 Dimple Lake is regulated by the BC freshwater fishing synopsis. Check the official British Columbia regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Doe Lake 2 mi · Maid Lake 4 mi · Pixie Lake 7 mi · Lizard Lake 7 mi · Mesachie Lake 9 mi · Beaver Lake 9 mi · Grant Lake 10 mi · Kwassin Lake 10 mi · Mayo Lake 11 mi · Tadjiss Lake 12 mi · Fairy Lake 12 mi · Weeks Lake 14 mi
See how Dimple Lake stacks up: best rainbow trout lakes in British Columbia · best brook trout lakes in British Columbia · best cutthroat trout lakes in British Columbia
More water nearby: Cowichan Valley Regional District fishing maps (30 charts). Browse all British Columbia 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.