Lakes / Indiana / Sullivan County / Turtle Creek Lake
Turtle Creek Lake, Indiana
1,557.7 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Indiana
39.06 degrees N, 87.53 degrees W - Sullivan 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 Turtle Creek Lake Stacks Up
- Larger than 96% of the 425 lakes counted in Indiana.
- The largest lake in Sullivan County among those counted.
- About 54 miles from Bloomington, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Old Channel Lake | Sullivan | 8.4 mi | 55.07 acres |
| Lake Sullivan | Sullivan | 8.5 mi | 468.2 acres |
| Thunderbird Pond | Sullivan | 12 mi | 41.56 acres |
| Motorboat Lake | Sullivan | 15 mi | 34.48 acres |
| Reservoir Number Twenty-six | Sullivan | 15 mi | 44.73 acres |
| More Lake | Sullivan | 16 mi | 43.25 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Turtle Creek Lake
How Big Is Turtle Creek Lake?
Turtle Creek Lake covers 1,557.7 acres in Sullivan County, Indiana.
What Is the Largest Lake in Sullivan County?
Turtle Creek Lake is the largest lake in Sullivan County, at 1,557.7 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 {72d0613f-8850-43e8-aa7c-49c043ebe72f}). Verified October 30, 2026.