Flour Lake fishing: Smallmouth Bass, Northern Pike, Walleye

Lake · Minnesota · Grand Marais, 20.9 mi away

Flour Lake, Minnesota: Smallmouth Bass. 93.4% of it is 55 feet deep or less. 1 trailer ramp. At least 75 ft deep.

Lake

Surface area: 326 acres0.5 mi²from the mapped waterbody polygon; varies with water level
Maximum depth: 75 ftdeep
Fish species: 8
Access points: 2
Access: open to the public
Nearest town: Grand Marais20.9 mi

Water claritynow 14.8 ft

Flour Lake fishing: Smallmouth Bass, Northern Pike, Walleye

Target species: Smallmouth Bass, Northern Pike, Walleye, Yellow Perch, Lake Trout, White Sucker, Cisco
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Flour Lake Public Water Access Site, 1 lane.

The lake

Flour Lake covers 326 acres in Minnesota, across Cook County. It is a lake: 93.4% of it is 55 feet deep or less; the deepest point measured is at least 75 feet (22.9 m). Our records hold 8 species for this water.

Depth and bottom

Deepest measured point: at least 75 ft (22.9 m). That is the deepest contour line: the bottom goes deeper. 93.4% of the water is 55 feet or shallower. We hold 56 depth contour lines for this water.

Flour Lake Campground on the Gunflint Trail, Minnesota (40838903012).jpg — Tony Webster from Minneapolis, Minnesota, United States · CC BY 2.0

0–5 ft: 6.9% of the water
5–10 ft: 11.7% of the water
10–15 ft: 15.3% of the water
15–20 ft: 12.3% of the water
20–25 ft: 12.5% of the water
25–30 ft: 11% of the water
30–35 ft: 6.7% of the water
35–40 ft: 4.8% of the water
40–45 ft: 4.1% of the water
45–50 ft: 3.9% of the water
50–55 ft: 4.2% of the water
55–60 ft: 3.2% of the water
60–65 ft: 2.3% of the water
65–70 ft: 0.9% of the water
70–75 ft: 0.4% of the water

7 target fish, led by Smallmouth Bass

Smallmouth Bass — Feeding water: 60–75°F.
Northern Pike — Feeding water: 50–75°F.
Walleye — Feeding water: 50–75°F.
Yellow Perch — Feeding water: 45–75°F.
Lake Trout — Feeding water: 50–65°F.
White Sucker — Feeding water: 50–70°F.
Cisco — Feeding water: 40–60°F.

Also recorded here: Green Sunfish.

Water and conditions

Water clarity runs 13.1–23.1 feet on our readings, averaging 18.6 feet, from 40 readings. Our water temperature readings average 68°F; they do not cover the whole year, so this is not a yearly average. pH averages 7.7. These readings span 2017–2025.

1 ramp or launch on this water

On this water we hold 1 trailer ramp.

Flour Lake Public Water Access Site — 1 lane, restrooms. U.S. Forest Service. website fs.usda.gov/recarea/superior/recreation/recarea/?recid=36983 · hours: Open 24 hours/day

The place listed has no fee or opening hours on file: 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 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.