---
type: lake
name: "Thunder Lake"
county: "Cass"
nearest_town: "Remer"
lake_type: "lake"
acres: 1347
max_depth_ft: 95
latitude: 46.94826
longitude: -93.97504
lake_score: 67
dnr_lake_id: "11006200"
url: https://www.minnelakes.org/lakes/cass-county/thunder-lake
---

# Thunder Lake

Lake in Cass County, Minnesota, near Remer

- **Surface Area**: 1,347 acres
- **Max Depth**: 95 ft
- **Average Depth**: 37 ft
- **Shoreline**: 15.9 miles
- **Water Clarity**: 17.5 ft
- **Lake Type**: lake
- **Public Access**: 1 public boat launch (concrete)
- **Lake Score**: 67/100 (composite of public data, not a visitor rating)

## About

Thunder Lake is a 1,347-acre lake near Remer in Cass County, Minnesota. It reaches 95 feet at its deepest point, with an average depth of about 37 feet, and has roughly 15.9 miles of shoreline. DNR surveys put average water clarity at about 17.5 feet, which is exceptionally clear for Minnesota.

Minnesota DNR fisheries surveys list 17 fish species here, including walleye, northern pike, largemouth bass, smallmouth bass, black crappie, and bluegill. 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. The lake is listed as infested with Eurasian watermilfoil, starry stonewort, and zebra mussel — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 21, based on 9 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**: 17
- **Stocked**: Yes
- **Last DNR survey**: 2025
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Boating, Paddling

## Amenities

Boat Ramp

## Fish Species

Walleye, Northern Pike, Largemouth Bass, Smallmouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Burbot, Tullibee (Cisco), Rock Bass, Bowfin, Brown Bullhead, Hybrid Sunfish, Shorthead Redhorse, White Sucker, Yellow Bullhead

## Invasive Species

Eurasian watermilfoil, starry stonewort, zebra mussel. Clean, drain and dry boats and gear before leaving.

## Ice-Out

- **Median ice-out**: April 21
- **Years of record**: 9
- **Earliest**: 2015-04-13
- **Latest**: 2013-05-14

## Nearby Lakes

- [Little Bass Lake](https://www.minnelakes.org/lakes/cass-county/little-bass-lake) - 1.9 miles, 136 acres
- [Bass Lake](https://www.minnelakes.org/lakes/cass-county/bass-lake-outing) - 2.8 miles, 195 acres
- [Island Lake](https://www.minnelakes.org/lakes/cass-county/island-lake) - 3.4 miles, 358 acres
- [Upper Trelipe Lake](https://www.minnelakes.org/lakes/cass-county/upper-trelipe-lake) - 3.4 miles, 421 acres
- [Big Rice Lake](https://www.minnelakes.org/lakes/cass-county/big-rice-lake) - 3.5 miles, 2,030 acres
- [Mitten Lake](https://www.minnelakes.org/lakes/cass-county/mitten-lake) - 4.3 miles, 113 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=46.94826,-93.97504)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=11006200)
- [All lakes in Cass County](https://www.minnelakes.org/lakes/cass-county)

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