Portage Lake

Details

DNR lake ID

11020400

County

Cass

Surface area

1,539 acres

Maximum depth

55 feet

Shallow water (littoral) area

674 acres, 44% of the lake

Shoreline

7.9 miles

Average water clarity

5.0 feet (Secchi disk, 1 readings)

Latest DNR fish survey

August 2021, targeted survey

Surveys on record

6, since 1983

Game fish caught in the 2021 survey

yellow perch 807, bluegill 436, largemouth bass 220, rock bass 27, pumpkinseed 27, black crappie 1

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 21 other species

Stocked in 2024

walleye yearlings (496); walleye fingerlings (7,175); walleye yearlings (460)

Stocked in 2022

walleye yearlings (500); walleye fingerlings (13,124); walleye fingerlings (8,040)

Stocked in 2018

walleye fingerlings (1,223); walleye fingerlings (26,097)

Stocking years on record

5 of the last 10 (2016 to 2024)

Portage Lake Public Water Access Site

trailer launch, concrete slab ramp, 2 trailer spaces, run by Tribe

Infested waters list

zebra mussel

Fish consumption

Follow the statewide guidelines; fish from this lake have been tested

Size

500 to 1,999 acres

Deepest point

30 to 59 feet

Public access

Yes

Stocked in the last 3 years

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.