Trout lake

Fat Lake

Fat Lake is a 108-acre lake in St. Louis County, 50 feet at its deepest. The DNR last surveyed its fish in 2025. Recorded species include trout.

Details

DNR lake ID
69048100
County
St. Louis
Surface area
108 acres
Maximum depth
50 feet
Mean depth
22 feet
Shallow water (littoral) area
26 acres, 24% of the lake
Shoreline
1.9 miles
Average water clarity
17.5 feet (Secchi disk, 4 readings)
Nearest town (DNR)
Crane Lake
Latest DNR fish survey
July 2025, targeted survey
Surveys on record
6, since 1986
Fish species recorded
lake trout, and 1 other species
Fish consumption
Follow the northeast guidelines; fish from this lake have been tested
Size
100 to 499 acres
Deepest point
30 to 59 feet

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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