| Lake Margrethe | |
|---|---|
| Location | Crawford County, Michigan |
| Coordinates | 44°39.09′N 84°47.33′W / 44.65150°N 84.78883°WCoordinates: 44°39.09′N 84°47.33′W / 44.65150°N 84.78883°W |
| Primary outflows | Portage Creek |
| Basin countries | United States |
| Surface area | 1,920 acres (780 ha) |
| Average depth | 36 ft (11 m) |
| Max. depth | 65 ft (20 m) |
| Surface elevation | 1,135 ft (346 m) |
Lake Margrethe is near Grayling in Crawford County, Michigan. Its area is 1,920 acres (780 ha). It was formerly known as Portage Lake. Fish species include: rock bass, yellow perch, bluegill, smallmouth bass, largemouth bass, northern pike, tiger muskie, and walleye.