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27-acre lake near Carlton County. The lake tops out around 25 ft. The depth data here comes from the Minnesota DNR survey of 1972, a decades-old survey (the DNR's original lake-survey map). Every species below gets its seasonal read from the same numbers driving the chart.
The drawn water covers 27 acres wrapped in 0.9 miles of bank. Its 1.3 shoreline index means few bank features; the contours below do the pattern work. Littoral water — the productive band under ~15 ft — makes up 35% of this chart. Call it 0.3 mi long by 0.2 mi wide at the broadest reach. It sits in Carlton County. Its nearest charted neighbour, Bang, is 0 mi to the northwest.
When the water first warms, rainbow trout slide up into 5 to 20 ft. By summer they slide out to 7 to 25 ft, and by winter most fish are in 5 to 25 ft. If you only fish one area, make it Break off the point: a drop-off around 22 ft that scores prime in winter. In summer the feeding windows fall in early morning and the evening. Keep a dodger + spoon (deep troll) or a flutter spoon rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (13 ft) | Inline spinner (silver), Small spoon |
| Summer | 7 to 25 ft | dawn & dusk | Break off the point (22 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 7 to 25 ft | dawn & dusk | Main-lake point (13 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 5 to 25 ft | dawn | Break off the point (22 ft) | Jigging spoon, Tube jig (white) |
Early season brown bullhead use the shallows, holding in 2 to 8 ft. Expect a summer slide to 3 to 12 ft, then a winter hold in 10 to 25 ft. Put Deep basin first on the milk run — a deep basin near 25 ft that grades prime for winter. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | Shallow bay flat (8 ft) | |
| Summer | 3 to 12 ft | night & dusk | Shallow bay flat (8 ft) | |
| Fall | 5 to 15 ft | dusk | Shallow bay flat (8 ft) | |
| Winter | 10 to 25 ft | midday | Deep basin (25 ft) |
Structure-wise the chart holds 4 features, led in depth by Deep basin at roughly 25 ft.
Season dates, license requirements, and size and bag limits for Minnesota waters are set by the Minnesota DNR — and special regulations can apply to Corona specifically, so confirm the current rules before you fish.
Check the official Minnesota fishing regulations →
Corona is about 25 ft (8 m) deep at its deepest point. The depth data here comes from the Minnesota DNR survey of 1972, a decades-old survey (the DNR's original lake-survey map).
Anglers target rainbow trout, brown bullhead on Corona.
Deep basin is the top-rated area: a deep basin in about 25 ft of water that rates prime for brown bullhead in winter. Scroll up to the map for the complete spot list by species and season.
For rainbow 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.
Fishing on Corona is regulated by the Minnesota DNR. Check the official Minnesota regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Bang 0 mi · Spring 0 mi · Torch Light 2 mi · Park 4 mi · Big 4 mi · Bob 5 mi · Merwin 7 mi · Lower (South) Island 8 mi · Upper (North) Island 8 mi · Hizer 9 mi · Lost 9 mi · Munson 9 mi
See how Corona stacks up: best rainbow trout lakes in Minnesota · best brown bullhead lakes in Minnesota
More water nearby: Carlton County fishing maps (45 charts). Browse all Minnesota fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.