Shared by DepthScout anglers. Exact spots stay private, always.
39-acre lake near Lake County. The lake tops out around 8 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. What follows comes from the same scoring engine that paints the spots above.
Start shallow in spring: brook trout sit in 1 to 8 ft that time of year. Summer fish stay in 2 to 8 ft, and winter fish hold in 1 to 8 ft. Deep basin is the standout, a deep basin at roughly 7 ft, rated prime for summer 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 | 1 to 8 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 2 to 8 ft | dawn & dusk | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 1 to 8 ft | midday & dawn | Small spoon (orange), Spinner |
| Winter | 1 to 8 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
Spring brown trout on Sonju hold shallow, usually 1 to 8 ft. Summer fish stay in 2 to 8 ft, and winter fish hold in 1 to 8 ft. The spot to know is Shoreline break, a drop-off in about 4 ft of water that rates prime for brown trout in summer. 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 | 1 to 8 ft | dawn & dusk | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 2 to 8 ft | night & dawn | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 1 to 8 ft | dusk & dawn | Jerkbait over gravel, Casting spoon |
| Winter | 1 to 8 ft | dawn | Jigging spoon, Small stickbait (slow) |
How deep is Sonju?
Sonju is about 8 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 Sonju?
Anglers target brown trout, brook trout on Sonju.
Where is the best fishing spot on Sonju?
Shoreline break is the top-rated area: a drop-off in about 4 ft of water that rates prime for brown trout in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Sonju?
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.
Twenty Three · Cramer Homestead · Balsam · Blesener · Kangas · Benson
See how Sonju stacks up: best brown trout lakes in Minnesota · best brook trout lakes in Minnesota
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