Lake Koronis fishing: Largemouth Bass, Smallmouth Bass, Walleye

Target species: Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike, Bluegill, Bigmouth Buffalo, Rock Bass
Boat: 3 ramps and launches on file for this water.
Start here: Launch at Koronis Lake, Hwy55 Public Water Access Site, 2 lanes.

The lake

Lake Koronis covers 2,946 acres in Minnesota, across 2 counties: Stearns and Meeker. It is a lake: 92.2% of it is 60 feet deep or less; the deepest point measured is at least 130 feet (39.6 m). Our records hold 21 species for this water.

Depth and bottom

Deepest measured point: at least 130 ft (39.6 m). That is the deepest contour line: the bottom goes deeper. 92.2% of the water is 60 feet or shallower. We hold 31 depth contour lines for this water.

  • 0–10 ft: 26% of the water
  • 10–20 ft: 19% of the water
  • 20–30 ft: 9.9% of the water
  • 30–40 ft: 12.5% of the water
  • 40–50 ft: 15.2% of the water
  • 50–60 ft: 9.6% of the water
  • 60–70 ft: 4.9% of the water
  • 70–80 ft: 1.7% of the water
  • 80–90 ft: 0.6% of the water
  • 90–100 ft: 0.4% of the water
  • 100–110 ft: 0.3% of the water
  • 110–120 ft: 0.1% of the water

7 target fish, led by Largemouth Bass

  • Largemouth Bass — Feeding water: 65–85°F.
  • Smallmouth Bass — Feeding water: 60–75°F.
  • Walleye — Feeding water: 50–75°F.
  • Northern Pike — Feeding water: 50–75°F.
  • Bluegill — Feeding water: 70–85°F.
  • Bigmouth Buffalo — Feeding water: 70–80°F.
  • Rock Bass — Feeding water: 65–75°F.

Also recorded here: Black Crappie, Yellow Perch, Golden Redhorse, River Redhorse, Black Bullhead, Shorthead Redhorse, White Sucker, Cisco, Green Sunfish, Pumpkinseed, Bowfin, Brown Bullhead, Yellow Bullhead, Common Carp.

Water and conditions

Water clarity runs 4.5–10.9 feet on our readings, averaging 7.3 feet, from 174 readings. Our water temperature readings average 70°F; they do not cover the whole year, so this is not a yearly average. pH averages 8.4. These readings span 2017–2025.

3 ramps and launches on this water

On this water we hold 3 trailer ramps.

  • Koronis Lake, Hwy55 Public Water Access Site — 2 lanes, restrooms. DNR Division of Parks and Trails.
  • Koronis Lake, Co Park Public Water Access Site — 1 lane, restrooms. Stearns County, Parks Department.
  • Koronis Lake, Lake Park Public Water Access Site — 1 lane.

Fee and opening hours are blank for all 3 places in this list: a blank means we hold no such field, not that it is free or always open, and this list may not be complete.

What is hard here

Only 3 public ramps are on file, so the launch decides where you fish.

Where this data comes from

  • Minnesota DNR — Minnesota DNR: depth contours: class A, a survey of the bottom.
  • Minnesota DNR — Minnesota DNR: reported depths: class B, a depth figure measured and published by an agency, without a bottom map.
  • Webster, K.E., McCullough, I.M., Soranno, P.A. LAGOS-US DEPTH v1.0, EDI, doi:10.6073/pasta/64ddc4d04661d9aef4bd702dc5d8984f (CC BY 4.0); Cheruvelil et al. LAGOS-US LOCUS v1.0 (EDI) — LAGOS-US DEPTH v1.0: Lake depth for 17,675 lakes in the conterminous U.S.: class B, a depth figure measured and published by an agency, without a bottom map.