Lakes / Indiana / LaGrange County / Grassy Lake
Grassy Lake, Indiana
86.57 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Indiana
41.70 degrees N, 85.23 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 Grassy Lake Stacks Up
- Larger than 59% of the 425 lakes counted in Indiana.
- About 43 miles from Fort Wayne, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Beaverdam Lake | Steuben | 1.7 mi | 57 acres |
| Wall Lake | LaGrange | 2.1 mi | 139.82 acres |
| Deep Lake | Steuben | 2.6 mi | 163.86 acres |
| Brown Lake | Steuben | 2.8 mi | 39.84 acres |
| Mongo Millpond | LaGrange | 2.9 mi | 76.83 acres |
| Lime Lake | Steuben | 3.9 mi | 30.56 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Grassy Lake
How Big Is Grassy Lake?
Grassy Lake covers 86.57 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 155638981). Verified October 30, 2026.