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Fishing Cowichan Lake: what the data says
15,331-acre lake near British Columbia. The lake tops out around 499 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Here is how the season plays out for each species, straight from the data behind the map.
Brook Trout fishing at Cowichan Lake
In spring, brook trout run shallow here, mostly 2 to 15 ft. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 3 to 20 ft. Creek inflow is the standout, a inflow / creek mouth at roughly 8 ft, rated prime for spring brook trout. Best bite is early morning and the evening. Tie on a small spoon fished deep or a trolled lake-clear wobbler + worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
Brown Bullhead fishing at Cowichan Lake
In spring, brown bullhead run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 3 to 12 ft, and winter fish settle into 10 to 25 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | |
| Summer | 3 to 12 ft | night & dusk | |
| Fall | 5 to 15 ft | dusk | |
| Winter | 10 to 25 ft | midday |
Brown Trout fishing at Cowichan Lake
Spring brown trout on Cowichan Lake hold shallow, usually 3 to 25 ft. They move out to 25 to 60 ft in summer and finish the year down in 5 to 35 ft. The spot to know is Creek inflow, a inflow / creek mouth in about 8 ft of water that rates prime for brown trout in spring. Plan around after dark and early morning in the warm months. Summer baits: a spoon at the thermocline or a deep stickbait (night) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 25 to 60 ft | night & dawn | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 35 ft | dawn | Jigging spoon, Small stickbait (slow) |
Cutthroat Trout fishing at Cowichan Lake
Start shallow in spring: cutthroat trout sit in 3 to 15 ft that time of year. Summer pushes them deeper, 10 to 35 ft, and winter fish settle into 10 to 40 ft. Creek inflow is the standout, a inflow / creek mouth at roughly 8 ft, rated prime for spring cutthroat trout. Best bite is early morning and the evening. Summer baits: a trolled spoon (small) or a inline spinner gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Small jigging spoon, Marabou jig |
Kokanee fishing at Cowichan Lake
Spring kokanee on Cowichan Lake hold shallow, usually 10 to 30 ft. By summer they slide out to 30 to 70 ft, and by winter most fish are in 20 to 80 ft. Creek inflow is the standout, a inflow / creek mouth at roughly 8 ft, rated prime for fall kokanee. Plan around early morning in the warm months. A dodger + pink/orange squid on downrigger or a kokanee bug + corn covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 30 to 70 ft | dawn | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 20 to 80 ft | dawn | Small glow jig + corn or maggot, Tiny spoon |
Smallmouth Bass fishing at Cowichan Lake
In spring, smallmouth bass run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 20 to 45 ft. The spot to know is Shoreline point, a point in about 19.0314670269446 ft of water that rates prime for smallmouth bass in fall. Plan around early morning and the evening in the warm months. A drop shot (goby/minnow) or a ned rig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Blade bait, Hair jig |
Cowichan Lake also holds rainbow trout (8 to 30 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 424 ft
- Old creek channel: creek channel, around 250 ft
- Break off the point: drop-off, around 225 ft
- Sharp break: drop-off, around 192.27576142793473 ft
- Main-lake point: point, around 125 ft
- Secondary point: point, around 125 ft
- Offshore hump: offshore hump, around 39.83816795742033 ft
- Shoreline point: point, around 19.0314670269446 ft
- Shoreline point: point, around 18.957355307200782 ft
- Sharp break: drop-off, around 18.134511682278617 ft
- Creek inflow: inflow / creek mouth, around 8 ft
- Creek inflow: inflow / creek mouth, around 8 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Cowichan Lake?
Cowichan Lake is about 499 ft 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 Cowichan Lake?
Anglers target smallmouth bass, rainbow trout, brown trout, brook trout, kokanee, cutthroat trout, brown bullhead on Cowichan Lake.
Where is the best fishing spot on Cowichan Lake?
Creek inflow is the top-rated area: a inflow / creek mouth in about 8 ft of water that rates prime for brook trout in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Cowichan Lake?
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.