Spring Lake vs Union Lake
Two of the top-scoring lakes in Polk County, Minnesota, side by side.
Union Lake is the larger of the two at 887 acres against 134 for Spring Lake. On our rankings, Union Lake comes out ahead for fishing, Union Lake comes out ahead for boating, Spring Lake comes out ahead for camping, Spring Lake comes out ahead for paddling, and Union Lake comes out ahead for ice fishing.
| Measure | Spring Lake | Union Lake |
|---|---|---|
| Lake Score | 61 / 100 | 59 / 100 |
| Nearest town | Lengby | Erskine |
| Surface area | 134 acres | 887 acres |
| Max depth | 35 ft | 83 ft |
| Shoreline | 3.1 mi | 14.6 mi |
| Water clarity | 7.3 ft | 6.9 ft |
| Public access | 2 public boat launches (concrete) | 1 public boat launch (asphalt) |
| Fish species | 12 | 12 |
| Game fish | Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill | Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill |
| Stocked | Yes | Yes |
| Special regulations | No | No |
| Swim beach | No | No |
| Camping | Yes | No |
| Invasive species | None listed | Eurasian watermilfoil, zebra mussel |
Which lake is better for…
- FishingUnion Lake
- BoatingUnion Lake
- CampingSpring Lake
- PaddlingSpring Lake
- Ice FishingUnion Lake
The lakes
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Frequently Asked Questions
Which is bigger, Spring Lake or Union Lake?
Union Lake is bigger at 887 acres; Spring Lake covers 134 acres.
Which is deeper, Spring Lake or Union Lake?
Union Lake is deeper, with a maximum depth of 83 feet against 35 feet.
Is Spring Lake or Union Lake better for fishing?
Union Lake ranks higher for fishing in this directory, based on game species, lake size, access and stocking. Spring Lake lists 12 species and Union Lake lists 12.