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Fishing Osmun Lake: what the data says
49-acre lake near Cheboygan County. The lake tops out around 10 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. Below is the species-by-species picture, pulled from the same data the map uses.
Yellow Perch fishing at Osmun Lake
Start shallow in spring: yellow perch sit in 3 to 10 ft that time of year. Summer fish stay in 3 to 10 ft, and winter fish hold in 3 to 10 ft. If you only fish one area, make it Deep basin: a deep basin around 10 ft that scores prime in fall. Best bite is early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 10 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 3 to 10 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 3 to 10 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 3 to 10 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Northern Pike fishing at Osmun Lake
Spring northern pike on Osmun Lake hold shallow, usually 2 to 8 ft. Summer pushes them deeper, 3 to 10 ft, and winter fish settle into 3 to 10 ft. Shallow bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring northern pike. Best bite is early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 3 to 10 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 3 to 10 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 3 to 10 ft | midday | Tip-ups, Large jigging spoon |
Smallmouth Bass fishing at Osmun Lake
Start shallow in spring: smallmouth bass sit in 3 to 10 ft that time of year. Summer fish stay in 3 to 10 ft, and winter fish hold in 3 to 10 ft. If you only fish one area, make it Secondary point: a point around 3 ft that scores prime in fall. Best bite is early morning and the evening. Summer baits: a drop shot (goby/minnow) or a ned rig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 10 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 3 to 10 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 3 to 10 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 3 to 10 ft | midday | Blade bait, Hair jig |
Largemouth Bass fishing at Osmun Lake
Start shallow in spring: largemouth bass sit in 2 to 10 ft that time of year. Summer fish stay in 3 to 10 ft, and winter fish hold in 3 to 10 ft. The spot to know is Shallow bay flat, a weed flat in about 2 ft of water that rates prime for largemouth bass in spring. In summer the feeding windows fall in early morning and the evening. Tie on a texas-rigged 10" worm or a deep-diving crankbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 3 to 10 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 3 to 10 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 3 to 10 ft | midday | Blade bait, Jigging spoon |
Rock Bass fishing at Osmun Lake
Start shallow in spring: rock bass sit in 2 to 10 ft that time of year. Summer fish stay in 3 to 10 ft, and winter fish hold in 3 to 10 ft. The spot to know is Secondary point, a point in about 3 ft of water that rates prime for rock bass in summer. Plan around the evening in the warm months. Tie on a ned rig (small) or a marabou jig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | 1/16 oz jig + grub, Small inline spinner |
| Summer | 3 to 10 ft | dusk | Ned rig (small), Marabou jig |
| Fall | 3 to 10 ft | midday | Small tube jig, Inline spinner |
| Winter | 3 to 10 ft | midday | Tungsten jig + plastic, Small spoon + spike |
Bluegill fishing at Osmun Lake
In spring, bluegill run shallow here, mostly 1 to 6 ft. They move out to 3 to 10 ft in summer and finish the year down in 3 to 10 ft. The spot to know is Shallow bay flat, a weed flat in about 2 ft of water that rates prime for bluegill in spring. In summer the feeding windows fall in early morning and the evening. A small sponge spider (fly) or a micro tube jig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 3 to 10 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 3 to 10 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 3 to 10 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Osmun Lake also holds pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 10 ft in summer), lake sturgeon (3 to 10 ft in summer), longnose gar (1 to 10 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 10 ft
- Secondary point: point, around 3 ft
- Main-lake point: point, around 2 ft
- Shallow bay flat: weed flat, around 2 ft
- Break off the point: drop-off, around 2 ft
Common questions
How deep is Osmun Lake?
Osmun Lake is about 10 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 Osmun Lake?
Anglers target largemouth bass, smallmouth bass, northern pike, bluegill, yellow perch, longnose gar, rock bass, pumpkinseed, brown bullhead, lake sturgeon on Osmun Lake. This isn't a survey of the lake — none is on record for it — but an informed estimate from the species listed for the nearest surveyed lakes in the region, filtered to this lake's depth and habitat.
Where is the best fishing spot on Osmun Lake?
Deep basin is the top-rated area: a deep basin in about 10 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.
When is the best time to fish Osmun Lake?
For yellow perch, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Dog Lake · Dorsy Lake · Cornwall Creek Floodin Lake · Hackett Lake · Devereaux Lake · Cochran Lake
See how Osmun Lake stacks up: best largemouth bass lakes in Michigan · best smallmouth bass lakes in Michigan · best northern pike lakes in Michigan · best bluegill lakes in Michigan
Browse all Michigan fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.