St. Clair Flats Front and Rear Range Light
St. Clair Flats South Channel Range Lights | |
Distant view of the lighthouse structures from Harsens Island in August 2022 | |
Interactive map showing location | |
| Nearest city | Algonac, Michigan |
|---|---|
| Coordinates | 42°32′16.4″N 82°41′35.4″W / 42.537889°N 82.693167°W |
| Area | 1.5 acres (0.61 ha) |
| Built | 1859 |
| Architectural style | Conical lighthouse towers |
| NRHP reference No. | 90000853 |
| Added to NRHP | May 24, 1990 |
St. Clair Flats Front and Rear Range Light are two lighthouse structures situated off the southeastern tip of Harsens Island at Lake St. Clair.