Lakes / Louisiana / West Feliciana County / Lake Killarney
Lake Killarney, Louisiana
475.92 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Louisiana
30.97 degrees N, 91.59 degrees W - West Feliciana 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 Killarney Stacks Up
- Larger than 72% of the 664 lakes counted in Louisiana.
- The largest lake in West Feliciana County among those counted.
- About 44 miles from Baton Rouge, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Sugar Lake | West Feliciana | 2.9 mi | 388.29 acres |
| Charity Lake | West Feliciana | 3.0 mi | 53.62 acres |
| Green Lake | West Feliciana | 4.5 mi | 118.16 acres |
| Big Lake Moreau | Pointe Coupee | 5.8 mi | 156.27 acres |
| Limeless Lake | West Feliciana | 6.5 mi | 36.64 acres |
| Kellers Lake | Concordia | 7.0 mi | 89.98 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Killarney
How Big Is Lake Killarney?
Lake Killarney covers 475.92 acres in West Feliciana County, Louisiana.
What Is the Largest Lake in West Feliciana County?
Lake Killarney is the largest lake in West Feliciana County, at 475.92 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 133391005). Verified October 30, 2026.