Walleye lake, Trout lake

Olson Lake

Public accessStocked 2025

Olson Lake is a 34-acre lake in Cook County, 18 feet at its deepest. The DNR last surveyed its fish in 2025. Recorded species include walleye and trout.

Details

DNR lake ID
16015800
County
Cook
Surface area
34 acres
Maximum depth
18 feet
Mean depth
6 feet
Shallow water (littoral) area
34 acres, 100% of the lake
Shoreline
1.3 miles
Average water clarity
6.3 feet (Secchi disk, 4 readings)
Latest DNR fish survey
September 2025, standard survey
Surveys on record
9, since 1984
Game fish caught in the 2025 survey
rainbow trout 5
Fish species recorded
brook trout, rainbow trout, walleye, and 6 other species
Stocked in 2025
rainbow trout fingerlings (1,500)
Stocked in 2024
rainbow trout fingerlings (1,500)
Stocked in 2023
rainbow trout fingerlings (1,500)
Stocking years on record
10 of the last 10 (2016 to 2025)
Public accesses (DNR survey record)
1, owned by DNR
Fish consumption
Follow the northeast guidelines; fish from this lake have not been tested
Size
Under 100 acres
Deepest point
15 to 29 feet
Public access
Yes
Stocked in the last 3 years
Yes

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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