---
type: lake
name: "Long Tom Lake"
county: "Big Stone"
nearest_town: "Ortonville"
lake_type: "lake"
acres: 147
max_depth_ft: 15
latitude: 45.32114
longitude: -96.35811
lake_score: 42
dnr_lake_id: "06002900"
url: https://www.minnelakes.org/lakes/big-stone-county/long-tom-lake
---

# Long Tom Lake

Lake in Big Stone County, Minnesota, near Ortonville

- **Surface Area**: 147 acres
- **Max Depth**: 15 ft
- **Shoreline**: 4.6 miles
- **Water Clarity**: 2.4 ft
- **Lake Type**: lake
- **Public Access**: 1 public boat launch (concrete)
- **Lake Score**: 42/100 (composite of public data, not a visitor rating)

## About

Long Tom Lake is a 147-acre lake near Ortonville in Big Stone County, Minnesota. It reaches 15 feet at its deepest point, and has roughly 4.6 miles of shoreline. DNR surveys put average water clarity at about 2.4 feet, so expect stained or algae-tinted water in summer.

Minnesota DNR fisheries surveys list 10 fish species here, including walleye, northern pike, 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 2023.

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**: 2023
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Boating, Paddling

## Amenities

Boat Ramp

## Fish Species

Walleye, Northern Pike, Black Crappie, Yellow Perch, Black Bullhead, Common Carp, Green Sunfish, Hybrid Sunfish, Orangespotted Sunfish, White Sucker

## Nearby Lakes

- [Otrey Lake](https://www.minnelakes.org/lakes/big-stone-county/otrey-lake) - 2.8 miles, 475 acres
- [Swenson Lake](https://www.minnelakes.org/lakes/big-stone-county/swenson-lake) - 6.4 miles, 204 acres
- [Big Stone NWR East Pool](https://www.minnelakes.org/lakes/lac-qui-parle-county/big-stone-nwr-east-pool) - 6.5 miles, 1,286 acres
- [Long Lake](https://www.minnelakes.org/lakes/big-stone-county/long-lake) - 9.1 miles, 395 acres
- [Eli Lake](https://www.minnelakes.org/lakes/big-stone-county/eli-lake) - 10.4 miles, 162 acres
- [Artichoke Lake](https://www.minnelakes.org/lakes/big-stone-county/artichoke-lake) - 11.1 miles, 1,971 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=45.32114,-96.35811)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=06002900)
- [All lakes in Big Stone County](https://www.minnelakes.org/lakes/big-stone-county)

---
*Source: [MinneLakes.org](https://www.minnelakes.org/lakes/big-stone-county/long-tom-lake)*