---
type: lake
name: "Rock Lake"
county: "Aitkin"
nearest_town: "McGregor"
lake_type: "lake"
acres: 341
max_depth_ft: 13
latitude: 46.62908
longitude: -93.38757
lake_score: 49
dnr_lake_id: "01007200"
url: https://www.minnelakes.org/lakes/aitkin-county/rock-lake
---

# Rock Lake

Lake in Aitkin County, Minnesota, near McGregor

- **Surface Area**: 341 acres
- **Max Depth**: 13 ft
- **Shoreline**: 5.3 miles
- **Water Clarity**: 4.3 ft
- **Lake Type**: lake
- **Public Access**: 1 public boat launch (concrete)
- **Lake Score**: 49/100 (composite of public data, not a visitor rating)

## About

Rock Lake is a 341-acre lake near McGregor in Aitkin County, Minnesota. It reaches 13 feet at its deepest point, and has roughly 5.3 miles of shoreline. DNR surveys put average water clarity at about 4.3 feet.

Minnesota DNR fisheries surveys list 11 fish species here, including walleye, northern pike, black crappie, bluegill, pumpkinseed, and yellow perch. The most recent fisheries survey on file dates to 2025.

There is one public boat launch (concrete surface) managed by the Minnesota DNR. Ice typically goes out around April 7, based on 5 years of DNR ice-out records.

## 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**: 11
- **Stocked**: No
- **Last DNR survey**: 2025
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Boating, Paddling

## Amenities

Boat Ramp

## Fish Species

Walleye, Northern Pike, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Black Bullhead, Bowfin, Brown Bullhead, Hybrid Sunfish, Yellow Bullhead

## Ice-Out

- **Median ice-out**: April 7
- **Years of record**: 5
- **Earliest**: 2016-03-29
- **Latest**: 2013-05-08

## Nearby Lakes

- [Round Lake](https://www.minnelakes.org/lakes/aitkin-county/round-lake-mcgregor) - 1.4 miles, 185 acres
- [Turner Lake](https://www.minnelakes.org/lakes/aitkin-county/turner-lake) - 1.5 miles, 63 acres
- [Portage Lake](https://www.minnelakes.org/lakes/aitkin-county/portage-lake) - 3.3 miles, 372 acres
- [Jenkins Lake](https://www.minnelakes.org/lakes/aitkin-county/jenkins-lake) - 4.6 miles, 114 acres
- [Fleming Lake](https://www.minnelakes.org/lakes/aitkin-county/fleming-lake) - 5.3 miles, 319 acres
- [Wilkins Lake](https://www.minnelakes.org/lakes/aitkin-county/wilkins-lake) - 5.3 miles, 349 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=46.62908,-93.38757)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=01007200)
- [All lakes in Aitkin County](https://www.minnelakes.org/lakes/aitkin-county)

---
*Source: [MinneLakes.org](https://www.minnelakes.org/lakes/aitkin-county/rock-lake)*