Lakes / Louisiana / Franklin County / Lake Dean
Lake Dean, Louisiana
65.61 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Louisiana
32.01 degrees N, 91.57 degrees W - Franklin 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 Dean Stacks Up
- Larger than 26% of the 664 lakes counted in Louisiana.
- About 110 miles from Baton Rouge, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Board Tree Lake | Franklin | 1.7 mi | 118 acres |
| Green Lake | Tensas | 2.6 mi | 40.34 acres |
| Lake Formosa | Tensas | 6.6 mi | 68.88 acres |
| Turkey Creek Lake | Franklin | 11 mi | 3,080 acres |
| Brushy Lake | Tensas | 11 mi | 28.37 acres |
| Big Lake | Tensas | 12 mi | 140.68 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Dean
How Big Is Lake Dean?
Lake Dean covers 65.61 acres in Franklin County, Louisiana.
What Is the Largest Lake in Franklin County?
Turkey Creek Lake is the largest lake in Franklin County, at 3,080 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 {46202432-5942-429e-b410-d0227636b42b}). Verified October 30, 2026.