Walleye lake, Northern pike lake, Bass lake, Crappie lake, Sunfish lake

Cottonwood Lake

Public accessStocked 2025

Cottonwood Lake is a 383-acre lake in Lyon County, 7 feet at its deepest. The DNR last surveyed its fish in 2025. Recorded species include walleye, northern pike, largemouth bass and crappie.

Details

DNR lake ID
42001400
County
Lyon
Surface area
383 acres
Maximum depth
7 feet
Shallow water (littoral) area
379 acres, 99% of the lake
Shoreline
3.8 miles
Average water clarity
2.1 feet (Secchi disk, 5 readings)
Latest DNR fish survey
September 2025, targeted survey
Surveys on record
12, since 1990
Game fish caught in the 2025 survey
walleye 27, yellow perch 17, northern pike 7
Fish species recorded
black crappie, bluegill, channel catfish, green sunfish, hybrid sunfish, largemouth bass, northern pike, orangespotted sunfish, walleye, yellow perch, and 10 other species
Stocked in 2025
walleye fry (124,769)
Stocked in 2024
walleye fry (101,934)
Stocked in 2023
walleye fry (175,828)
Stocking years on record
9 of the last 10 (2016 to 2025)
Cottowood Lake (E) Public Water Access Site
trailer launch, concrete slab ramp, 2 docks, 10 trailer spaces, run by City of Cottonwood
Fish consumption
Follow the statewide guidelines; fish from this lake have been tested
Size
100 to 499 acres
Deepest point
Under 15 feet
Public access
Yes
Stocked in the last 3 years
Yes

Sources

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.

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