Lakes / Indiana / LaGrange County / Blackman Lake
Blackman Lake, Indiana
69.99 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Indiana
41.55 degrees N, 85.29 degrees W - LaGrange County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Blackman Lake Stacks Up
- Larger than 53% of the 425 lakes counted in Indiana.
- About 33 miles from Fort Wayne, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Eve Lake | LaGrange | 1.9 mi | 31.47 acres |
| Adams Lake | LaGrange | 2.3 mi | 301.51 acres |
| Pretty Lake | LaGrange | 2.5 mi | 185.12 acres |
| Big Long Lake | LaGrange | 2.7 mi | 392.29 acres |
| Nauvoo Lake | LaGrange | 2.8 mi | 57.1 acres |
| Cree Lake | Noble | 3.2 mi | 78.95 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Blackman Lake
How Big Is Blackman Lake?
Blackman Lake covers 69.99 acres in LaGrange County, Indiana.
What Is the Largest Lake in LaGrange County?
Dallas Lake is the largest lake in LaGrange County, at 407.12 acres.
Largest Lakes in Indiana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Monroe Lake | Monroe | 11,112.45 acres | - |
| 2 | Patoka Lake | Orange | 9,120.83 acres | - |
| 3 | Brookville Lake | Franklin | 4,364.22 acres | - |
| 4 | Lake Wawasee | Kosciusko | 3,426.28 acres | - |
| 5 | Broad Pond | Gibson | 2,941.52 acres | - |
All 425 Indiana lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 155641546). Verified October 30, 2026.