Big Lake

Details

DNR lake ID

69019000

County

St. Louis

Surface area

1,904 acres

Maximum depth

22 feet

Mean depth

9 feet

Shallow water (littoral) area

1,514 acres, 80% of the lake

Shoreline

25.9 miles

Average water clarity

7.2 feet (Secchi disk, 3 readings)

Latest DNR fish survey

August 2019, standard survey

Surveys on record

10, since 1982

Game fish caught in the 2019 survey

walleye 221, yellow perch 109, northern pike 29, smallmouth bass 12, rock bass 12, black crappie 7

Fish species recorded

black crappie, bluegill, northern pike, pumpkinseed, rock bass, smallmouth bass, walleye, yellow perch, and 3 other species

Stocked in 2024

walleye fry (750,000)

Stocked in 2022

walleye fry (750,000)

Stocked in 2021

walleye fry (750,000)

Stocking years on record

5 of the last 10 (2016 to 2024)

Big Lake Public Water Access Site

trailer launch, concrete slab ramp, 1 dock, 15 trailer spaces, toilet, run by DNR Division of Parks and Trails

Fish consumption

Follow the northeast guidelines; fish from this lake have been tested

Size

500 to 1,999 acres

Deepest point

15 to 29 feet

Public access

Yes

Stocked in the last 3 years

Yes

Sources

• Minnesota DNR LakeFinder
  Checked September 24, 2026
• Minnesota DNR Public Water Access Sites
  Checked September 24, 2026

Survey catches show what DNR nets and electrofishing found on the survey date, not how the fishing is today. Check the current regulations and the Department of Health advice before you keep fish, and confirm access conditions before you tow a boat.