Portsmouth Unit
Portsmouth Unit is a state park in Crow Wing County. 8 graded lakes are within 15 miles of the park, including Serpent Lake, Agate Lake, Island Lake.
Designation
State Park
County
Crow Wing County
Established
—
Nearby Graded Lakes (within 15 mi)
Lakes closest to Portsmouth Unit, weighted by size. Click a lake for its full water quality grade, fish species, and depth.
| Lake | County | Grade | Surface Area | Distance |
|---|---|---|---|---|
| Serpent Lake | Crow Wing | A | 1.1K acres | 1.9 mi |
| Agate Lake | Crow Wing | B | 187.03 acres | 2.8 mi |
| Island Lake | Crow Wing | A | 125.92 acres | 3.5 mi |
| Little Rabbit Lake | Crow Wing | B | 172.17 acres | 4.2 mi |
| Upper Mission Lake | Crow Wing | B | 881.57 acres | 6.3 mi |
| Lower Mission Lake | Crow Wing | C | 732.2 acres | 6.5 mi |
| Hay Lake | Crow Wing | B | 52.2 acres | 3.8 mi |
| Clearwater Lake | Crow Wing | A | 905.49 acres | 7.2 mi |
Other Parks in the Area
- Cuyuna Country State Recreation Area— State Recreation Area, 0.3 mi
- Mahnomen Unit— State Park, 1.6 mi
- Yawkey Unit— State Park, 1.6 mi
- Sagamore Unit— State Park, 4.5 mi
Park location and metadata sourced from Wikidata. For trail maps, camping reservations, and current conditions, visit the official MN DNR. Lake grades are derived from EPA Water Quality Portal data using Metropolitan Council standards.