Long Lake

Details

DNR lake ID

69085900

County

St. Louis

Surface area

259 acres

Maximum depth

36 feet

Shallow water (littoral) area

126 acres, 49% of the lake

Shoreline

6.5 miles

Average water clarity

6.0 feet (Secchi disk, 1 readings)

Latest DNR fish survey

July 2019, standard survey

Surveys on record

6, since 1957

Game fish caught in the 2019 survey

bluegill 92, black crappie 37, northern pike 25, pumpkinseed 5, hybrid sunfish 4, largemouth bass 3, yellow perch 1, walleye 1

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 7 other species

Long Lake Public Water Access Site

trailer launch, concrete slab ramp, run by Balkan Township

Eating advice, sensitive populations

cisco: all sizes - 1 serving/month

Size

100 to 499 acres

Deepest point

30 to 59 feet

Public access

Yes

Lake-specific eating advice

Yes

Sources

• Minnesota DNR LakeFinder
  Checked September 24, 2026
• Minnesota DNR Public Water Access Sites
  Checked September 24, 2026
• Minnesota Department of Health fish consumption guidelines
  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.