Lakes / Louisiana / Orleans County / Lake Saint Catherine
Lake Saint Catherine, Louisiana
6,688.61 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Louisiana
30.13 degrees N, 89.73 degrees W - Orleans 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 Lake Saint Catherine Stacks Up
- Larger than 96% of the 664 lakes counted in Louisiana.
- The largest lake in Orleans County among those counted.
- About 24 miles from New Orleans, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Stump Lagoon | St. Tammany | 3.5 mi | 35.41 acres |
| Double Bayou Lagoon | St. Tammany | 3.7 mi | 102.35 acres |
| Big Deedie Lake | Orleans | 3.7 mi | 120.81 acres |
| Goose Pond | Orleans | 4.1 mi | 91.27 acres |
| Little Deedie Lake | Orleans | 4.1 mi | 108.52 acres |
| Seven Lagoons | Orleans | 4.5 mi | 127.75 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Saint Catherine
How Big Is Lake Saint Catherine?
Lake Saint Catherine covers 6,688.61 acres in Orleans County, Louisiana.
What Is the Largest Lake in Orleans County?
Lake Saint Catherine is the largest lake in Orleans County, at 6,688.61 acres.
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 139182207). Verified October 30, 2026.