Zebra musselsPublic access
Barrett Lake
Grant County
Walleye lake, Northern pike lake, Bass lake, Crappie lake, Sunfish lake
Thompson Lake
Public accessStocked 2025
Thompson Lake is a 154-acre lake in Grant County, 22 feet at its deepest. The DNR last surveyed its fish in 2023. Recorded species include walleye, northern pike, largemouth bass and crappie.
Details
- DNR lake ID
- 26002000
- County
- Grant
- Surface area
- 154 acres
- Maximum depth
- 22 feet
- Mean depth
- 16 feet
- Shallow water (littoral) area
- 74 acres, 48% of the lake
- Shoreline
- 2.4 miles
- Average water clarity
- 8.4 feet (Secchi disk, 3 readings)
- Nearest town (DNR)
- Hoffman
- Latest DNR fish survey
- May 2023, targeted survey
- Surveys on record
- 9, since 1980
- Game fish caught in the 2023 survey
- largemouth bass 39, walleye 15, bluegill 13, black crappie 9
- Fish species recorded
- black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, yellow perch, and 6 other species
- Stocked in 2025
- walleye fry (37,000)
- Stocked in 2023
- walleye fry (74,000)
- Stocked in 2021
- walleye fry (74,000)
- Stocking years on record
- 5 of the last 10 (2017 to 2025)
- Thompson Lake Public Water Access Site
- trailer launch, concrete slab ramp, 5 trailer spaces, run by DNR Division of Parks and Trails
- Fish consumption
- Follow the statewide guidelines; fish from this lake have not been tested
- Size
- 100 to 499 acres
- Deepest point
- 15 to 29 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.