Long Lake

Details

DNR lake ID

11025800

County

Cass

Surface area

246 acres

Maximum depth

37 feet

Shallow water (littoral) area

140 acres, 57% of the lake

Shoreline

5.1 miles

Average water clarity

14.5 feet (Secchi disk, 2 readings)

Latest DNR fish survey

June 2024, targeted survey

Surveys on record

7, since 1985

Game fish caught in the 2024 survey

bluegill 1,674, largemouth bass 69, rock bass 13, pumpkinseed 11, northern pike 9, black crappie 9, smallmouth bass 4, yellow perch 2

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, smallmouth bass, walleye, yellow perch, and 13 other species

Long Lake, Ponto Public Water Access Site

trailer launch, concrete slab ramp, 1 dock, 6 trailer spaces, run by DNR Division of Parks and Trails

Fish consumption

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

Size

100 to 499 acres

Deepest point

30 to 59 feet

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.