Jack Lake

Details

DNR lake ID

11040000

County

Cass

Surface area

142 acres

Maximum depth

110 feet

Shallow water (littoral) area

44 acres, 31% of the lake

Shoreline

2.5 miles

Average water clarity

14.5 feet (Secchi disk, 3 readings)

Nearest town (DNR)

Walker

Latest DNR fish survey

August 2024, targeted survey

Surveys on record

8, since 1954

Game fish caught in the 2024 survey

bluegill 269, yellow perch 96, rock bass 28, largemouth bass 26, northern sunfish 7, pumpkinseed 7, northern pike 6, black crappie 3

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, northern sunfish, pumpkinseed, rock bass, walleye, yellow perch, and 17 other species

Jack Lake Public Water Access Site

trailer launch, natural ramp, 5 trailer spaces, run by Cass County

Fish consumption

Follow the statewide guidelines; fish from this lake have not been tested

Size

100 to 499 acres

Deepest point

60 feet or more

Public access

Yes

Sources

• Minnesota DNR LakeFinder
  Checked September 24, 2026
• Minnesota DNR Public Water Access Sites
  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.