Deep Portage Lake

Details

DNR lake ID

11023700

County

Cass

Surface area

129 acres

Maximum depth

105 feet

Mean depth

40 feet

Shallow water (littoral) area

31 acres, 24% of the lake

Shoreline

1.8 miles

Average water clarity

11.7 feet (Secchi disk, 3 readings)

Nearest town (DNR)

Pontoria

Latest DNR fish survey

August 2024, targeted survey

Surveys on record

5, since 1987

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 6 other species

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

Sources

• Minnesota DNR LakeFinder
  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.