Upper South Long Lake

Details

DNR lake ID

18009600

County

Crow Wing

Surface area

804 acres

Maximum depth

47 feet

Shallow water (littoral) area

283 acres, 35% of the lake

Shoreline

6.3 miles

Average water clarity

8.5 feet (Secchi disk, 4 readings)

Latest DNR fish survey

July 2025, standard survey

Surveys on record

11, since 1984

Game fish caught in the 2025 survey

bluegill 221, largemouth bass 133, yellow perch 80, walleye 36, pumpkinseed 35, black crappie 22, northern pike 21, hybrid sunfish 7

Fish species recorded

black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 31 other species

Stocked in 2025

walleye fry (300,000); walleye fingerlings (5,325)

Stocked in 2023

walleye fingerlings (1,313); walleye fingerlings (4,648)

Stocked in 2021

walleye adults (185); walleye fingerlings (1,828); walleye fingerlings (3,816)

Stocking years on record

5 of the last 10 (2017 to 2025)

Upper South Long Lake Public Water Access Site

trailer launch, concrete slab ramp, 1 dock, 10 trailer spaces, toilet, run by DNR Division of Parks and Trails

Infested waters list

Eurasian watermilfoil, 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.