---
type: lake
name: "Thomson Reservoir"
county: "Carlton"
nearest_town: "Thomson"
lake_type: "reservoir"
acres: 390
max_depth_ft: 22
latitude: 46.67204
longitude: -92.40377
lake_score: 43
dnr_lake_id: "09000100"
url: https://www.minnelakes.org/lakes/carlton-county/thomson-reservoir
---

# Thomson Reservoir

Reservoir in Carlton County, Minnesota, near Thomson

- **Surface Area**: 390 acres
- **Max Depth**: 22 ft
- **Shoreline**: 10.7 miles
- **Lake Type**: reservoir
- **Public Access**: Carry-in access only
- **Lake Score**: 43/100 (composite of public data, not a visitor rating)

## About

Thomson Reservoir is a 390-acre reservoir near Thomson in Carlton County, Minnesota. It reaches 22 feet at its deepest point, and has roughly 10.7 miles of shoreline. By surface area it ranks No. 3 among the 21 Carlton County lakes in this directory.

Minnesota DNR fisheries surveys list 10 fish species here, including walleye, northern pike, smallmouth bass, black crappie, yellow perch, and channel catfish. The most recent fisheries survey on file dates to 2002.

Public access is carry-in only — plan on a canoe, kayak or small boat you can hand-launch.

## Access

- **Public access**: Carry-in access only
- **Managed by**: city
- **Launch fee**: Free at DNR public water accesses

## Fishing

- **Species on DNR survey**: 10
- **Stocked**: No
- **Last DNR survey**: 2002
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Paddling

## Amenities

Carry-In Access

## Fish Species

Walleye, Northern Pike, Smallmouth Bass, Black Crappie, Yellow Perch, Channel Catfish, Rock Bass, Black Bullhead, Shorthead Redhorse, White Sucker

## Nearby Lakes

- [Venoah Lake](https://www.minnelakes.org/lakes/carlton-county/venoah-lake) - 4 miles, 110 acres
- [Chub Lake](https://www.minnelakes.org/lakes/carlton-county/chub-lake) - 4.3 miles, 313 acres
- [Hay Lake](https://www.minnelakes.org/lakes/carlton-county/hay-lake) - 5.8 miles, 140 acres
- [Bob Lake](https://www.minnelakes.org/lakes/carlton-county/bob-lake) - 10.3 miles, 77 acres
- [Big Lake](https://www.minnelakes.org/lakes/carlton-county/big-lake) - 10.9 miles, 526 acres
- [Sand Lake](https://www.minnelakes.org/lakes/carlton-county/sand-lake) - 11.8 miles, 128 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=46.67204,-92.40377)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=09000100)
- [All lakes in Carlton County](https://www.minnelakes.org/lakes/carlton-county)

---
*Source: [MinneLakes.org](https://www.minnelakes.org/lakes/carlton-county/thomson-reservoir)*