Long Lake fishing: Northern Pike, Largemouth Bass, Walleye
Target species: Northern Pike, Largemouth Bass, Walleye, Black Bullhead, Black Crappie, Bluegill, Cisco
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Long Lake Public Water Access Site, 1 lane.
The lake
Long Lake covers 969 acres in Minnesota, across Cass County. It is a lake: 90.1% of it is 50 feet deep or less; the deepest point measured is at least 110 feet (33.5 m). Our records hold 13 species for this water.
Depth and bottom
Deepest measured point: at least 110 ft (33.5 m). That is the deepest contour line: the bottom goes deeper. 90.1% of the water is 50 feet or shallower. We hold 67 depth contour lines for this water.

- 0–10 ft: 27% of the water
- 10–20 ft: 26.5% of the water
- 20–30 ft: 17.7% of the water
- 30–40 ft: 11.9% of the water
- 40–50 ft: 7% of the water
- 50–60 ft: 6% of the water
- 60–70 ft: 2.5% of the water
- 70–80 ft: 0.7% of the water
- 80–90 ft: 0.4% of the water
- 90–100 ft: 0.4% of the water
- 100–110 ft: 0.1% of the water
7 target fish, led by Northern Pike
- Northern Pike — Feeding water: 50–75°F.
- Largemouth Bass — Feeding water: 65–85°F.
- Walleye — Feeding water: 50–75°F.
- Black Bullhead — Feeding water: 70–80°F.
- Black Crappie — Feeding water: 65–75°F.
- Bluegill — Feeding water: 70–85°F.
- Cisco — Feeding water: 40–60°F.
Also recorded here: Rock Bass, Yellow Perch, Green Sunfish, Pumpkinseed, Yellow Bullhead, Brown Bullhead.
Water and conditions
Our water temperature readings average 73°F; they do not cover the whole year, so this is not a yearly average. The coldest single reading we hold is 52°F and the warmest is 86°F; the warmest monthly average is 78°F. pH averages 8.2. These readings span 2017–2025.

1 ramp or launch on this water
On this water we hold 1 trailer ramp.
- Long Lake Public Water Access Site — 1 lane. DNR Division of Parks and Trails.
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.


























