| Union Lake | |
| Location: | Oakland County, Michigan |
| Coords: | 42.6074°N -83.4308°W |
| Type: | Reservoir |
| Basin Countries: | United States |
| Area: | 465acres |
| Max-Depth: | 110feet |
| Elevation: | 282m (925feet) |
| Pushpin Map: | Michigan |
| Pushpin Map Alt: | Location of the lake in Michigan. |
Union Lake is an all-sports, 465acres lake in Oakland County, Michigan, United States. The lake lies within Commerce Township.[1] It is the tenth-largest lake and third-deepest lake in Oakland County.
Union Lake is considered one of the leading walleye fishing lakes in the state.[2]
The lake has one public boat-launch.