Johnson Lake fishing: Northern Pike, Walleye, Smallmouth Bass
Target species: Northern Pike, Walleye, Smallmouth Bass, Lake Whitefish, White Sucker, Rock Bass, Yellow Perch
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Johnson Lake Atv Boat Access.
The lake
Johnson Lake covers 1,666 acres in Minnesota, across St. Louis County. It is a lake: 90.1% of it is 65 feet deep or less; the deepest point measured is at least 80 feet (24.4 m). Our records hold 7 species for this water.
Depth and bottom
Deepest measured point: at least 80 ft (24.4 m). That is the deepest contour line: the bottom goes deeper. 90.1% of the water is 65 feet or shallower. We hold 76 depth contour lines for this water.

- 0–5 ft: 11.9% of the water
- 5–10 ft: 14.8% of the water
- 10–15 ft: 12.6% of the water
- 15–20 ft: 14.9% of the water
- 20–25 ft: 11.6% of the water
- 25–30 ft: 9.2% of the water
- 30–35 ft: 3.9% of the water
- 35–40 ft: 2.2% of the water
- 40–45 ft: 2.3% of the water
- 45–50 ft: 1.6% of the water
- 50–55 ft: 1.6% of the water
- 55–60 ft: 1.7% of the water
- 60–65 ft: 1.8% of the water
- 65–70 ft: 1.5% of the water
- 70–75 ft: 1.4% of the water
- 75–80 ft: 7.1% of the water
7 target fish, led by Northern Pike
- Northern Pike — Feeding water: 50–75°F.
- Walleye — Feeding water: 50–75°F.
- Smallmouth Bass — Feeding water: 60–75°F.
- Lake Whitefish — Feeding water: 40–55°F.
- White Sucker — Feeding water: 50–70°F.
- Rock Bass — Feeding water: 65–75°F.
- Yellow Perch — Feeding water: 45–75°F.
1 ramp or launch on this water
On this water we hold 1 boat ramp and 1 shore access point.
- Johnson Lake Atv Boat Access — US Forest Service. website fs.usda.gov/recarea/superior/recreation/recarea/?recid=37135 · hours: Open 24 hours/day
Shore access for bank fishing
- Johnson Lake Public Water Access Site — U.S. Forest Service.
Fee and opening hours are blank for all 2 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.
Water and conditions
Our water temperature readings average 74°F; they do not cover the whole year, so this is not a yearly average. These readings span 2022–2025.
What is hard here
Only 1 public ramp is 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.


















