Portage Lake

Details

DNR lake ID

01006900

County

Aitkin

Surface area

372 acres

Maximum depth

18 feet

Mean depth

8 feet

Shallow water (littoral) area

313 acres, 84% of the lake

Shoreline

5.1 miles

Average water clarity

4.3 feet (Secchi disk, 2 readings)

Nearest town (DNR)

Kimberly

Latest DNR fish survey

May 2025, targeted survey

Surveys on record

10, since 1971

Game fish caught in the 2025 survey

black crappie 37, bluegill 34, pumpkinseed 32, northern pike 15, yellow perch 1

Fish species recorded

black crappie, bluegill, crappie, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, yellow perch, and 9 other species

Portage Lake Public Water Access Site

trailer launch, concrete slab ramp, 8 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

15 to 29 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.