| Lake Maurepas | |
|---|---|
| Lac Maurepas | |
 Landsat view of the lake bordered at right by Lake Pontchartrain | |
  Lake Maurepas  Lake Maurepas | |
| Location | Louisiana: Livingston Parish St. John the Baptist Parish Tangipahoa Parish |
| Coordinates | 30°15′29″N 90°29′55″W / 30.258029°N 90.498676°W |
| Type | it is a round-shaped, shallow, Brackish water tidal estuarine system |
| Basin countries | United States |
| Surface area | 240 km2 (93 sq mi) |
| Average depth | 3.0 m (9.8 ft) |
| Surface elevation | −1 m (−3.3 ft)[1] |
Lake Maurepas (/ˈmɒrəpɔː/ MORR-ə-paw; French: Lac Maurepas) is located in southeastern Louisiana, approximately halfway between New Orleans and Baton Rouge, directly west of Lake Pontchartrain.