Lakes / Louisiana / Catahoula County / Larto Lake
Larto Lake, Louisiana
2,526.45 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Louisiana
31.37 degrees N, 91.91 degrees W - Catahoula 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 Larto Lake Stacks Up
- Larger than 90% of the 664 lakes counted in Louisiana.
- The largest lake in Catahoula County among those counted.
- About 78 miles from Baton Rouge, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Donnelly Lake | Catahoula | 3.8 mi | 46.86 acres |
| Williams Lake | Concordia | 3.8 mi | 87.57 acres |
| Shad Lake | Catahoula | 4.2 mi | 446.03 acres |
| Wise Lake | Catahoula | 4.2 mi | 55.24 acres |
| Welsh Lake | Concordia | 4.3 mi | 77.37 acres |
| Royster Lake | Catahoula | 5.1 mi | 59.53 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Larto Lake
How Big Is Larto Lake?
Larto Lake covers 2,526.45 acres in Catahoula County, Louisiana.
What Is the Largest Lake in Catahoula County?
Larto Lake is the largest lake in Catahoula County, at 2,526.45 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 156158788). Verified October 30, 2026.