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Fishing Black Mud Lake: what the data says
276-acre lake near Marlboro. The lake tops out around 9 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. What follows comes from the same scoring engine that paints the spots above.
Northern Pike fishing at Black Mud Lake
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. By summer they slide out to 3 to 9 ft, and by winter most fish are in 3 to 9 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 2 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 3 to 9 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 3 to 9 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 3 to 9 ft | midday | Tip-ups, Large jigging spoon |
Yellow Perch fishing at Black Mud Lake
In spring, yellow perch run shallow here, mostly 2 to 9 ft. Summer fish stay in 3 to 9 ft, and winter fish hold in 3 to 9 ft. Shallow bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring yellow perch. Best bite is early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 9 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 3 to 9 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 3 to 9 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 3 to 9 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Notable structure
- Deep basin: deep basin, around 9 ft
- Main-lake point: point, around 8 ft
- Break off the point: drop-off, around 4 ft
- Secondary point: point, around 2 ft
- Shallow bay flat: weed flat, around 2 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Black Mud Lake?
Black Mud Lake is about 9 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Black Mud Lake?
Anglers target northern pike, yellow perch on Black Mud Lake.
Where is the best fishing spot on Black Mud Lake?
Shallow bay flat is the top-rated area: a weed flat in about 2 ft of water that rates prime for northern pike in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Black Mud Lake?
For northern pike, 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.
Nearby waters
Millers Lake · Fickle Lake · Obed Lake · Sang Lake · Mary Gregg Lake · Smoke Lake
See how Black Mud Lake stacks up: best northern pike lakes in Alberta · best yellow perch lakes in Alberta
Browse all Alberta fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.