Lakes / Louisiana / St. John the Baptist County / Lac des Allemands
Lac des Allemands, Louisiana
16,593.87 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Louisiana
29.92 degrees N, 90.58 degrees W - St. John the Baptist County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Louisiana Department of Wildlife and Fisheries coordinates, not by eye. Schematic - not a survey map.
How Lac des Allemands Stacks Up
- Ranks #9 for surface area among the Louisiana lakes counted so far - 16,593.87 acres.
- About 30 miles from New Orleans, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Boeuf | Lafourche | 9.7 mi | 266.13 acres |
| Dufrene Ponds | Lafourche | 10.0 mi | 1,516.24 acres |
| Simoneaux Ponds | St. Charles | 14 mi | 1,103.33 acres |
| Baie des Chactas | St. Charles | 19 mi | 570.57 acres |
| Lake Fields | Lafourche | 19 mi | 2,173.39 acres |
| Baie du Cabanage | St. Charles | 20 mi | 411.92 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{85396D2D-5FD9-4BBB-8A56-E3F4EBF6370A}
CountySt. John the Baptist
Coordinates29.9222, -90.5781
Deepest Natural Lakes in Louisiana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | False River | Pointe Coupee | 3,212 acres | 65 ft |
| 2 | Vernon Lake | Vernon | 6 acres | 53 ft |
| 3 | Lake Concordia | Concordia | 1,026 acres | 50 ft |
| 4 | Caney Creek Reservoir | Jackson | 4,738 acres | 43 ft |
| 5 | Lake Providence | East Carroll | 1,380 acres | 37 ft |
All 27 Louisiana lakes ranked by depth
Largest Lakes in Louisiana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Pontchartrain | Jefferson | 407,803.25 acres | - |
| 2 | Toledo Bend Reservoir | Sabine | 181,600 acres | 110 ft |
| 3 | Lake Maurepas | Livingston | 58,308.4 acres | - |
| 4 | Sabine Lake | Cameron | 56,867.74 acres | - |
| 5 | White Lake | Vermilion | 55,913.91 acres | - |
All 664 Louisiana lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID {85396D2D-5FD9-4BBB-8A56-E3F4EBF6370A}). Verified October 30, 2026.