---
type: lake
name: "School Grove Lake"
county: "Lyon"
nearest_town: "Cottonwood"
lake_type: "lake"
acres: 349
max_depth_ft: 11
latitude: 44.55188
longitude: -95.61364
lake_score: 40
dnr_lake_id: "42000200"
url: https://www.minnelakes.org/lakes/lyon-county/school-grove-lake
---

# School Grove Lake

Lake in Lyon County, Minnesota, near Cottonwood

- **Surface Area**: 349 acres
- **Max Depth**: 11 ft
- **Shoreline**: 5 miles
- **Water Clarity**: 2.1 ft
- **Lake Type**: lake
- **Public Access**: 1 public boat launch (concrete)
- **Lake Score**: 40/100 (composite of public data, not a visitor rating)

## About

School Grove Lake is a 349-acre lake near Cottonwood in Lyon County, Minnesota. It reaches 11 feet at its deepest point, and has roughly 5 miles of shoreline. DNR surveys put average water clarity at about 2.1 feet, so expect stained or algae-tinted water in summer.

Minnesota DNR fisheries surveys list 10 fish species here, including walleye, black crappie, and yellow perch. The DNR has stocking records for the lake, so check the stocking report for the most recent species and year classes. The most recent fisheries survey on file dates to 2025.

There is one public boat launch (concrete surface) managed by the Minnesota DNR.

## Access

- **Public access**: 1 public boat launch (concrete)
- **Managed by**: Minnesota DNR
- **Launch fee**: Free at DNR public water accesses

## Fishing

- **Species on DNR survey**: 10
- **Stocked**: Yes
- **Last DNR survey**: 2025
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Boating, Paddling

## Amenities

Boat Ramp

## Fish Species

Walleye, Black Crappie, Yellow Perch, Bigmouth Buffalo, Black Bullhead, Common Carp, Green Sunfish, Orangespotted Sunfish, White Sucker, Yellow Bullhead

## Nearby Lakes

- [Lady Slipper Lake](https://www.minnelakes.org/lakes/lyon-county/lady-slipper-lake) - 1.5 miles, 286 acres
- [Cottonwood Lake](https://www.minnelakes.org/lakes/lyon-county/cottonwood-lake) - 5.6 miles, 383 acres
- [Tyson Lake](https://www.minnelakes.org/lakes/yellow-medicine-county/tyson-lake) - 5.7 miles, 166 acres
- [Curtis Lake](https://www.minnelakes.org/lakes/yellow-medicine-county/curtis-lake) - 6.7 miles, 382 acres
- [Wood Lake](https://www.minnelakes.org/lakes/yellow-medicine-county/wood-lake) - 10.1 miles, 485 acres
- [Island Lake](https://www.minnelakes.org/lakes/lyon-county/island-lake) - 22.9 miles, 170 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=44.55188,-95.61364)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=42000200)
- [All lakes in Lyon County](https://www.minnelakes.org/lakes/lyon-county)

---
*Source: [MinneLakes.org](https://www.minnelakes.org/lakes/lyon-county/school-grove-lake)*