Long Lake

Details

DNR lake ID

01008900

County

Aitkin

Surface area

435 acres

Maximum depth

116 feet

Mean depth

30 feet

Shallow water (littoral) area

120 acres, 28% of the lake

Shoreline

5.5 miles

Average water clarity

11.9 feet (Secchi disk, 18 readings)

Nearest town (DNR)

Glen

Latest DNR fish survey

August 2025, targeted survey

Surveys on record

26, since 1982

Fish species recorded

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

Stocked in 2025

walleye yearlings (641); walleye fingerlings (2,960)

Stocked in 2024

walleye fingerlings (5,098)

Stocked in 2023

walleye fingerlings (6,490)

Stocking years on record

10 of the last 10 (2016 to 2025)

Long Lake Public Water Access Site

trailer launch, concrete slab ramp, 15 trailer spaces, run by DNR Division of Parks and Trails

Eating advice, general populations

cisco: all sizes - 2 servings/week; crappie: all sizes - 2 servings/week

Size

100 to 499 acres

Deepest point

60 feet or more

Public access

Yes

Stocked in the last 3 years

Yes

Lake-specific eating advice

Yes

Sources

• Minnesota DNR LakeFinder
  Checked September 24, 2026
• Minnesota DNR Public Water Access Sites
  Checked September 24, 2026
• Minnesota Department of Health fish consumption guidelines
  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.