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Fishing Iosegun Lake: what the data says
3,300-acre lake near Fox Creek. The lake tops out around 35 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. Here is how the season plays out for each species, straight from the data behind the map.
Burbot fishing at Iosegun Lake
In spring, burbot run shallow here, mostly 11 to 35 ft. Summer fish stay in 11 to 35 ft, and winter fish hold in 9 to 35 ft. Deep basin is the standout, a deep basin at roughly 35 ft, rated prime for spring burbot. Plan around after dark and midday in the warm months. Tie on a heavy jig + cut bait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 11 to 35 ft | night & dusk | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 11 to 35 ft | night & midday | Heavy jig + cut bait |
| Fall | 11 to 35 ft | night & dusk | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 9 to 35 ft | night & dusk | Glow tungsten + cut bait, Rattle spoon + minnow head |
Cisco (Lake Herring) fishing at Iosegun Lake
Spring cisco (lake herring) on Iosegun Lake hold shallow, usually 9 to 35 ft. Summer fish stay in 11 to 35 ft, and winter fish hold in 11 to 35 ft. The spot to know is Deep basin, a deep basin in about 35 ft of water that rates prime for cisco (lake herring) in spring. Plan around early morning in the warm months. Summer baits: a vertical flutter spoon (small) or a drop-shot micro plastic gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 9 to 35 ft | dawn & dusk | Small silver spoon, Tiny swim jig (white) |
| Summer | 11 to 35 ft | dawn | Vertical flutter spoon (small), Drop-shot micro plastic |
| Fall | 5 to 25 ft | dusk & dawn | Small casting spoon, Inline spinner (silver) |
| Winter | 11 to 35 ft | dawn | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
Lake Whitefish fishing at Iosegun Lake
In spring, lake whitefish run shallow here, mostly 11 to 35 ft. Summer fish stay in 11 to 35 ft, and winter fish hold in 11 to 35 ft. Deep basin is the standout, a deep basin at roughly 35 ft, rated prime for summer lake whitefish. Plan around early morning in the warm months. Tie on a blade bait vertical or a small jigging spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 11 to 35 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 11 to 35 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 11 to 35 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Northern Pike fishing at Iosegun Lake
Spring northern pike on Iosegun Lake hold shallow, usually 2 to 8 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 2 ft that scores prime in spring. Plan around early morning and the evening in the warm months. 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 | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Walleye fishing at Iosegun Lake
In spring, walleye run shallow here, mostly 4 to 15 ft. They move out to 15 to 35 ft in summer and finish the year down in 11 to 35 ft. The spot to know is Break off the point, a drop-off in about 16 ft of water that rates prime for walleye in fall. In summer the feeding windows fall in the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 11 to 35 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 11 to 35 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Yellow Perch fishing at Iosegun Lake
In spring, yellow perch run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 15 to 35 ft. Weed flat is the standout, a weed flat at roughly 3 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 | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Notable structure
- Deep basin: deep basin, around 35 ft
- Break off the point: drop-off, around 16 ft
- Feeding flat: feeding flat, around 15 ft
- Weed flat: weed flat, around 4 ft
- Main-lake point: point, around 3 ft
- Secondary point: point, around 3 ft
- Rock reef: rock pile, around 3 ft
- Rock reef: rock pile, around 3 ft
- Shoreline point: point, around 3 ft
- Weed flat: weed flat, around 3 ft
- Shallow bay flat: weed flat, around 2 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Iosegun Lake?
Iosegun Lake is about 35 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 Iosegun Lake?
Anglers target walleye, northern pike, yellow perch, lake whitefish, burbot, cisco (lake herring) on Iosegun Lake.
Where is the best fishing spot on Iosegun Lake?
Deep basin is the top-rated area: a deep basin in about 35 ft of water that rates prime for burbot in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Iosegun Lake?
For burbot, the summer bite is best in after dark and midday. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Smoke Lake · Snipe Lake · Millers Lake · Black Mud Lake · Sturgeon Lake · Obed Lake
See how Iosegun Lake stacks up: best walleye lakes in Alberta · best northern pike lakes in Alberta · best yellow perch lakes in Alberta · best lake whitefish 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.