Walleye lake, Northern pike lake, Bass lake, Crappie lake

Iron Lake

Infested waters list

Iron Lake is a 1,962-acre lake in St. Louis County, 64 feet at its deepest. The DNR last surveyed its fish in 2025. Recorded species include walleye, northern pike, smallmouth bass and crappie.

Details

DNR lake ID
69012100
County
St. Louis
Surface area
1,962 acres
Maximum depth
64 feet
Shoreline
53.5 miles
Average water clarity
7.7 feet (Secchi disk, 4 readings)
Border water
Shared with Canada (Ontario)
Latest DNR fish survey
August 2025, targeted survey
Surveys on record
4, since 1984
Fish species recorded
black crappie, northern pike, rock bass, sauger, smallmouth bass, walleye, yellow perch, and 4 other species
Infested waters list
spiny waterflea
Fish consumption
Follow the northeast guidelines; fish from this lake have been tested
Size
500 to 1,999 acres
Deepest point
60 feet or more

Sources

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.

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