---
type: lake
name: "Granite Lake"
county: "Cook"
nearest_town: "Prairie Portage"
lake_type: "lake"
acres: 306
max_depth_ft: 45
latitude: 48.15393
longitude: -90.76657
lake_score: 32
dnr_lake_id: "16058000"
url: https://www.minnelakes.org/lakes/cook-county/granite-lake
---

# Granite Lake

Lake in Cook County, Minnesota, near Prairie Portage

- **Surface Area**: 306 acres
- **Max Depth**: 45 ft
- **Shoreline**: 11.5 miles
- **Water Clarity**: 8 ft
- **Lake Type**: lake
- **Public Access**: Public access on record
- **Lake Score**: 32/100 (composite of public data, not a visitor rating)
- **Border Water**: shared with Canada

## About

Granite Lake is a 306-acre lake near Prairie Portage in Cook County, Minnesota. It reaches 45 feet at its deepest point, and has roughly 11.5 miles of shoreline. DNR surveys put average water clarity at about 8 feet. The lake is a border water shared with Canada, so different seasons, limits and licensing rules can apply on the far side.

The DNR has no fish survey on file for this lake, so treat any fishing as exploratory.

The DNR lists public water access for the lake; confirm the launch type before towing a trailer in.

## Access

- **Public access**: Public access on record
- **Managed by**: Not recorded
- **Launch fee**: Free at DNR public water accesses

## Activities

Paddling

## Amenities

None on record

## Fish Species

No DNR fish survey on file

## Nearby Lakes

- [Clove Lake](https://www.minnelakes.org/lakes/cook-county/clove-lake) - 1.7 miles, 160 acres
- [Gneiss Lake](https://www.minnelakes.org/lakes/cook-county/gneiss-lake) - 2.3 miles, 227 acres
- [Larch Lake](https://www.minnelakes.org/lakes/cook-county/larch-lake) - 2.7 miles, 132 acres
- [Magnetic Lake](https://www.minnelakes.org/lakes/cook-county/magnetic-lake) - 3.2 miles, 447 acres
- [Marabaeuf Lake](https://www.minnelakes.org/lakes/cook-county/marabaeuf-lake) - 4.1 miles, 860 acres
- [Gunflint Lake](https://www.minnelakes.org/lakes/cook-county/gunflint-lake) - 5.1 miles, 4,009 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=48.15393,-90.76657)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=16058000)
- [All lakes in Cook County](https://www.minnelakes.org/lakes/cook-county)

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