South Twin Lake

Details

DNR lake ID

04005300

County

Beltrami

Surface area

222 acres

Maximum depth

45 feet

Shallow water (littoral) area

75 acres, 34% of the lake

Shoreline

3.1 miles

Nearest town (DNR)

Bemidji

Latest DNR fish survey

June 2025, targeted survey

Surveys on record

8, since 1981

Game fish caught in the 2025 survey

bluegill 442, rock bass 67, pumpkinseed 47, black crappie 35, largemouth bass 23, hybrid sunfish 18, yellow perch 11, walleye 4

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, muskellunge, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 10 other species

Stocked in 2025

walleye adults (21); walleye yearlings (181)

Stocked in 2023

walleye fingerlings (2,545)

Stocked in 2021

walleye adults (1,209)

Stocking years on record

5 of the last 10 (2017 to 2025)

South Twin Lake Public Water Access Site

trailer launch, concrete slab ramp, 3 trailer spaces, toilet, run by U.S. Forest Service

Special regulation

Largemouth and Smallmouth Bass: All from 14-20" must be immediately released. One over 20" allowed in possession.

Fish consumption

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

Size

100 to 499 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.