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

Rock Lake

Public access

Rock Lake is a 341-acre lake in Aitkin County, 13 feet at its deepest. The DNR last surveyed its fish in 2025. Recorded species include walleye, northern pike, largemouth bass and crappie.

Details

DNR lake ID
01007200
County
Aitkin
Surface area
341 acres
Maximum depth
13 feet
Shallow water (littoral) area
341 acres, 100% of the lake
Shoreline
5.3 miles
Average water clarity
4.3 feet (Secchi disk, 2 readings)
Latest DNR fish survey
May 2025, targeted survey
Surveys on record
6, since 1973
Game fish caught in the 2025 survey
bluegill 14, yellow perch 3, black crappie 2, northern pike 1, pumpkinseed 1
Fish species recorded
black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, yellow perch, and 6 other species
Rock Lake Public Water Access Site
trailer launch, concrete slab ramp, 4 trailer spaces, run by DNR Division of Parks and Trails
Fish consumption
Follow the statewide guidelines; fish from this lake have been tested
Size
100 to 499 acres
Deepest point
Under 15 feet
Public access
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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