Walleye lake, Northern pike lake, Bass lake, Crappie lake, Sunfish lake
Little Rock Lake
Zebra musselsPublic access
Little Rock Lake is a 1,311-acre lake in Benton County, 17 feet at its deepest. The DNR last surveyed its fish in 2025. Recorded species include walleye, northern pike, largemouth bass, smallmouth bass and crappie.
Details
- DNR lake ID
- 05001300
- County
- Benton
- Surface area
- 1,311 acres
- Maximum depth
- 17 feet
- Mean depth
- 8 feet
- Shallow water (littoral) area
- 1,240 acres, 95% of the lake
- Shoreline
- 10.6 miles
- Average water clarity
- 2.3 feet (Secchi disk, 4 readings)
- Latest DNR fish survey
- June 2025, standard survey
- Surveys on record
- 27, since 1974
- Game fish caught in the 2025 survey
- walleye 89, channel catfish 74, northern pike 50, black crappie 17, bluegill 3, yellow perch 3
- Fish species recorded
- black crappie, bluegill, channel catfish, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, smallmouth bass, sunfish, trout-perch, walleye, white crappie, yellow perch, and 29 other species
- Little Rock Lake, Rose Anna Beach Public Water Access Site
- carry-in, natural ramp, 2 trailer spaces, run by Benton County
- Little Rock Lake (NW) Public Water Access Site
- carry-in, natural ramp, 4 trailer spaces, run by Benton County
- Little Rock Lake, Benton Beach Public Water Access Site
- trailer launch, gravel ramp, 5 trailer spaces, toilet, run by Benton County
- Little Rock Lake, Hwy 10 Public Water Access Site
- trailer launch, concrete slab ramp, 1 dock, 28 trailer spaces, toilet, run by DNR Division of Parks and Trails
- Infested waters list
- zebra mussel
- Fish consumption
- Follow the statewide guidelines; fish from this lake have been tested
- Size
- 500 to 1,999 acres
- Deepest point
- 15 to 29 feet
- Public access
- 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.