Boulder Lake Reservoir fishing: Walleye, Northern Pike, Yellow Perch
Target species: Walleye, Northern Pike, Yellow Perch, Burbot, Black Bullhead, White Sucker, Black Crappie
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Boulder Lake Public Water Access Site, 1 lane.
The reservoir
Boulder Lake Reservoir covers 3,319 acres in Minnesota, across St. Louis County. It is a reservoir: the deepest point measured is at least 15 feet (4.6 m). Our records hold 9 species for this water.
7 target fish, led by Walleye
- Walleye — Feeding water: 50–75°F.
- Northern Pike — Feeding water: 50–75°F.
- Yellow Perch — Feeding water: 45–75°F.
- Burbot — Feeding water: 40–50°F.
- Black Bullhead — Feeding water: 70–80°F.
- White Sucker — Feeding water: 50–70°F.
- Black Crappie — Feeding water: 65–75°F.
Also recorded here: Rock Bass, Pumpkinseed.
Depth and bottom
Deepest measured point: at least 15 ft (4.6 m). That is the deepest contour line: the bottom goes deeper. We hold 236 depth contour lines for this water.
- 0–1 ft: 11.7% of the water
- 1–3 ft: 10.1% of the water
- 3–4 ft: 5.4% of the water
- 4–5 ft: 7.1% of the water
- 5–6 ft: 7.1% of the water
- 6–7 ft: 7.1% of the water
- 7–8 ft: 7% of the water
- 8–9 ft: 5.1% of the water
- 9–10 ft: 5.9% of the water
- 10–12 ft: 7.8% of the water
- 12–14 ft: 4.9% of the water
- 14–15 ft: 21% of the water
1 ramp or launch on this water
On this water we hold 1 trailer ramp.
- Boulder Lake Public Water Access Site — 1 lane, restrooms. Minnesota Power.
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.
